396401092 has 12 divisors (see below), whose sum is σ = 716079616. Its totient is φ = 191806920.

The previous prime is 396401077. The next prime is 396401099. The reversal of 396401092 is 290104693.

It is not an unprimeable number, because it can be changed into a prime (396401099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598268 + ... + 1598515.

Almost surely, 2^396401092 is an apocalyptic number.

It is an amenable number.

396401092 is a deficient number, since it is larger than the sum of its proper divisors (319678524).

396401092 is a wasteful number, since it uses less digits than its factorization.

396401092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196818 (or 3196816 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 396401092 is about 19909.8240072583. The cubic root of 396401092 is about 734.5898907621.

The spelling of 396401092 in words is "three hundred ninety-six million, four hundred one thousand, ninety-two".