195098904 has 192 divisors, whose sum is σ = 709712640. Its totient is φ = 46759680.

The previous prime is 195098879. The next prime is 195098929. The reversal of 195098904 is 409890591.

It is an interprime number because it is at equal distance from previous prime (195098879) and next prime (195098929).

It is a self number, because there is not a number n which added to its sum of digits gives 195098904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70719 + ... + 73425.

It is an arithmetic number, because the mean of its divisors is an integer number (3696420).

Almost surely, 2^195098904 is an apocalyptic number.

195098904 is a gapful number since it is divisible by the number (14) 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 195098904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354856320).

195098904 is an abundant number, since it is smaller than the sum of its proper divisors (514613736).

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

195098904 is a wasteful number, since it uses less digits than its factorization.

195098904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 195098904 is about 13967.7809261171. The cubic root of 195098904 is about 579.9870230945.

The spelling of 195098904 in words is "one hundred ninety-five million, ninety-eight thousand, nine hundred four".