396727968 has 96 divisors (see below), whose sum is σ = 1281764736. Its totient is φ = 104629248.

The previous prime is 396727951. The next prime is 396727979. The reversal of 396727968 is 869727693.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 13971 + ... + 31442.

It is an arithmetic number, because the mean of its divisors is an integer number (13351716).

Almost surely, 2^396727968 is an apocalyptic number.

It is an amenable number.

396727968 is an abundant number, since it is smaller than the sum of its proper divisors (885036768).

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

396727968 is a wasteful number, since it uses less digits than its factorization.

396727968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45446 (or 45438 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The square root of 396727968 is about 19918.0312280105. The cubic root of 396727968 is about 734.7917518220.

The spelling of 396727968 in words is "three hundred ninety-six million, seven hundred twenty-seven thousand, nine hundred sixty-eight".