396455408 has 40 divisors (see below), whose sum is σ = 783061488. Its totient is φ = 194406912.

The previous prime is 396455377. The next prime is 396455413. The reversal of 396455408 is 804554693.

It is a congruent number.

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, 229235 + ... + 230957.

Almost surely, 2^396455408 is an apocalyptic number.

It is an amenable number.

396455408 is a deficient number, since it is larger than the sum of its proper divisors (386606080).

396455408 is a wasteful number, since it uses less digits than its factorization.

396455408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 396455408 is about 19911.1880107642. The cubic root of 396455408 is about 734.6234410921.

The spelling of 396455408 in words is "three hundred ninety-six million, four hundred fifty-five thousand, four hundred eight".