3195491904 has 672 divisors, whose sum is σ = 11675059200. Its totient is φ = 851558400.

The previous prime is 3195491899. The next prime is 3195491909. The reversal of 3195491904 is 4091945913.

3195491904 is a `hidden beast` number, since 3 + 19 + 549 + 1 + 90 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (3195491899) and next prime (3195491909).

It is a super-2 number, since 2×3195491904² = 20422337017059090432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3195491904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3195491909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103080369 + ... + 103080399.

It is an arithmetic number, because the mean of its divisors is an integer number (17373600).

Almost surely, 2^3195491904 is an apocalyptic number.

3195491904 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3195491904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5837529600).

3195491904 is an abundant number, since it is smaller than the sum of its proper divisors (8479567296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3195491904 is a wasteful number, since it uses less digits than its factorization.

3195491904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 3195491904 is about 56528.6821357088. The cubic root of 3195491904 is about 1472.9202755910.

The spelling of 3195491904 in words is "three billion, one hundred ninety-five million, four hundred ninety-one thousand, nine hundred four".