396668994 has 32 divisors (see below), whose sum is σ = 854544384. Its totient is φ = 122393040.

The previous prime is 396668983. The next prime is 396669019. The reversal of 396668994 is 499866693.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42084 + ... + 50639.

It is an arithmetic number, because the mean of its divisors is an integer number (26704512).

Almost surely, 2^396668994 is an apocalyptic number.

396668994 is an abundant number, since it is smaller than the sum of its proper divisors (457875390).

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

396668994 is a wasteful number, since it uses less digits than its factorization.

396668994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92782.

The product of its digits is 15116544, while the sum is 60.

The square root of 396668994 is about 19916.5507555902. The cubic root of 396668994 is about 734.7553408472.

The spelling of 396668994 in words is "three hundred ninety-six million, six hundred sixty-eight thousand, nine hundred ninety-four".