3198494850 has 48 divisors (see below), whose sum is σ = 7958219808. Its totient is φ = 850141440.

The previous prime is 3198494809. The next prime is 3198494851. The reversal of 3198494850 is 584948913.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3198494793 and 3198494802.

It is not an unprimeable number, because it can be changed into a prime (3198494851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11322 + ... + 80778.

It is an arithmetic number, because the mean of its divisors is an integer number (165796246).

Almost surely, 2^3198494850 is an apocalyptic number.

3198494850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3198494850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3979109904).

3198494850 is an abundant number, since it is smaller than the sum of its proper divisors (4759724958).

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

3198494850 is a wasteful number, since it uses less digits than its factorization.

3198494850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69779 (or 69774 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 3198494850 is about 56555.2371580210. The cubic root of 3198494850 is about 1473.3815207219.

The spelling of 3198494850 in words is "three billion, one hundred ninety-eight million, four hundred ninety-four thousand, eight hundred fifty".