398924931004 has 48 divisors (see below), whose sum is σ = 760428436320. Its totient is φ = 182351001600.

The previous prime is 398924930977. The next prime is 398924931017. The reversal of 398924931004 is 400139429893.

It is a happy number.

It is a super-2 number, since 2×398924931004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380207 + ... + 1644025.

It is an arithmetic number, because the mean of its divisors is an integer number (15842259090).

Almost surely, 2^398924931004 is an apocalyptic number.

398924931004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

398924931004 is a deficient number, since it is larger than the sum of its proper divisors (361503505316).

398924931004 is a wasteful number, since it uses less digits than its factorization.

398924931004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264478 (or 264476 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 398924931004 in words is "three hundred ninety-eight billion, nine hundred twenty-four million, nine hundred thirty-one thousand, four".