396749067 has 32 divisors (see below), whose sum is σ = 641550336. Its totient is φ = 214790400.

The previous prime is 396749033. The next prime is 396749069. The reversal of 396749067 is 760947693.

It is a de Polignac number, because none of the positive numbers 2^k-396749067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396749069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1618 + ... + 28215.

It is an arithmetic number, because the mean of its divisors is an integer number (20048448).

Almost surely, 2^396749067 is an apocalyptic number.

396749067 is a deficient number, since it is larger than the sum of its proper divisors (244801269).

396749067 is a wasteful number, since it uses less digits than its factorization.

396749067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29891.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 396749067 is about 19918.5608666891. The cubic root of 396749067 is about 734.8047776210.

The spelling of 396749067 in words is "three hundred ninety-six million, seven hundred forty-nine thousand, sixty-seven".