398804825100 has 72 divisors (see below), whose sum is σ = 1258773058368. Its totient is φ = 96679956800.

The previous prime is 398804825063. The next prime is 398804825101. The reversal of 398804825100 is 1528408893.

398804825100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 398804825100.

It is not an unprimeable number, because it can be changed into a prime (398804825101) 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, 60421674 + ... + 60428273.

It is an arithmetic number, because the mean of its divisors is an integer number (17482959144).

Almost surely, 2^398804825100 is an apocalyptic number.

398804825100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398804825100 is an abundant number, since it is smaller than the sum of its proper divisors (859968233268).

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

398804825100 is a wasteful number, since it uses less digits than its factorization.

398804825100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120849975 (or 120849968 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 398804825100 in words is "three hundred ninety-eight billion, eight hundred four million, eight hundred twenty-five thousand, one hundred".