398849102620 has 24 divisors (see below), whose sum is σ = 839631013200. Its totient is φ = 159149565312.

The previous prime is 398849102591. The next prime is 398849102629. The reversal of 398849102620 is 26201948893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398849102629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24371350 + ... + 24387709.

It is an arithmetic number, because the mean of its divisors is an integer number (34984625550).

Almost surely, 2^398849102620 is an apocalyptic number.

It is an amenable number.

398849102620 is an abundant number, since it is smaller than the sum of its proper divisors (440781910580).

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

398849102620 is a wasteful number, since it uses less digits than its factorization.

398849102620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48759477 (or 48759475 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 398849102620 in words is "three hundred ninety-eight billion, eight hundred forty-nine million, one hundred two thousand, six hundred twenty".