398598329720 has 32 divisors (see below), whose sum is σ = 896874945120. Its totient is φ = 159434229120.

The previous prime is 398598329713. The next prime is 398598329743. The reversal of 398598329720 is 27923895893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262534 + ... + 1546346.

It is an arithmetic number, because the mean of its divisors is an integer number (28027342035).

Almost surely, 2^398598329720 is an apocalyptic number.

It is an amenable number.

398598329720 is an abundant number, since it is smaller than the sum of its proper divisors (498276615400).

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

398598329720 is a wasteful number, since it uses less digits than its factorization.

398598329720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318935 (or 318931 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 398598329720 in words is "three hundred ninety-eight billion, five hundred ninety-eight million, three hundred twenty-nine thousand, seven hundred twenty".