398837672332 has 24 divisors (see below), whose sum is σ = 774322758720. Its totient is φ = 178217140560.

The previous prime is 398837672323. The next prime is 398837672347. The reversal of 398837672332 is 233276738893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76815138 + ... + 76820329.

It is an arithmetic number, because the mean of its divisors is an integer number (32263448280).

Almost surely, 2^398837672332 is an apocalyptic number.

It is an amenable number.

398837672332 is a deficient number, since it is larger than the sum of its proper divisors (375485086388).

398837672332 is a wasteful number, since it uses less digits than its factorization.

398837672332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153635541 (or 153635539 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 61.

The spelling of 398837672332 in words is "three hundred ninety-eight billion, eight hundred thirty-seven million, six hundred seventy-two thousand, three hundred thirty-two".