398976696 has 48 divisors (see below), whose sum is σ = 1115424960. Its totient is φ = 128701440.

The previous prime is 398976679. The next prime is 398976709. The reversal of 398976696 is 696679893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87145 + ... + 91608.

It is an arithmetic number, because the mean of its divisors is an integer number (23238020).

Almost surely, 2^398976696 is an apocalyptic number.

398976696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398976696 is an abundant number, since it is smaller than the sum of its proper divisors (716448264).

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

398976696 is a wasteful number, since it uses less digits than its factorization.

398976696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178796 (or 178789 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The square root of 398976696 is about 19974.4010173021. The cubic root of 398976696 is about 736.1774491403.

The spelling of 398976696 in words is "three hundred ninety-eight million, nine hundred seventy-six thousand, six hundred ninety-six".