398455596 has 72 divisors (see below), whose sum is σ = 1255747584. Its totient is φ = 103494240.

The previous prime is 398455583. The next prime is 398455601. The reversal of 398455596 is 695554893.

It is a happy number.

398455596 is a `hidden beast` number, since 3 + 9 + 8 + 45 + 5 + 596 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69100 + ... + 74643.

Almost surely, 2^398455596 is an apocalyptic number.

398455596 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398455596 is an abundant number, since it is smaller than the sum of its proper divisors (857291988).

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

398455596 is a wasteful number, since it uses less digits than its factorization.

398455596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143771 (or 143766 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 398455596 is about 19961.3525593833. The cubic root of 398455596 is about 735.8568045103.

The spelling of 398455596 in words is "three hundred ninety-eight million, four hundred fifty-five thousand, five hundred ninety-six".