398923735325 has 12 divisors (see below), whose sum is σ = 494690757408. Its totient is φ = 319122649200.

The previous prime is 398923735307. The next prime is 398923735333. The reversal of 398923735325 is 523537329893.

It is not a de Polignac number, because 398923735325 - 2⁶ = 398923735261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 102110 + ... + 899040.

It is an arithmetic number, because the mean of its divisors is an integer number (41224229784).

Almost surely, 2^398923735325 is an apocalyptic number.

It is an amenable number.

398923735325 is a deficient number, since it is larger than the sum of its proper divisors (95767022083).

398923735325 is a wasteful number, since it uses less digits than its factorization.

398923735325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816964 (or 816959 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 59.

The spelling of 398923735325 in words is "three hundred ninety-eight billion, nine hundred twenty-three million, seven hundred thirty-five thousand, three hundred twenty-five".