398882805604 has 6 divisors (see below), whose sum is σ = 698044909814. Its totient is φ = 199441402800.

The previous prime is 398882805593. The next prime is 398882805623. The reversal of 398882805604 is 406508288893.

It can be written as a sum of positive squares in only one way, i.e., 340075585600 + 58807220004 = 583160^2 + 242502^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49860350697 + ... + 49860350704.

Almost surely, 2^398882805604 is an apocalyptic number.

It is an amenable number.

398882805604 is a deficient number, since it is larger than the sum of its proper divisors (299162104210).

398882805604 is a wasteful number, since it uses less digits than its factorization.

398882805604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99720701405 (or 99720701403 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 398882805604 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, eight hundred five thousand, six hundred four".