398872662 has 32 divisors (see below), whose sum is σ = 842918400. Its totient is φ = 125481888.

The previous prime is 398872637. The next prime is 398872667. The reversal of 398872662 is 266278893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398872667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24163 + ... + 37169.

It is an arithmetic number, because the mean of its divisors is an integer number (26341200).

Almost surely, 2^398872662 is an apocalyptic number.

398872662 is an abundant number, since it is smaller than the sum of its proper divisors (444045738).

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

398872662 is a wasteful number, since it uses less digits than its factorization.

398872662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13300.

The product of its digits is 1741824, while the sum is 51.

The square root of 398872662 is about 19971.7966642964. The cubic root of 398872662 is about 736.1134569796.

The spelling of 398872662 in words is "three hundred ninety-eight million, eight hundred seventy-two thousand, six hundred sixty-two".