396497984 has 14 divisors (see below), whose sum is σ = 786800814. Its totient is φ = 198248960.

The previous prime is 396497971. The next prime is 396497993. The reversal of 396497984 is 489794693.

It can be written as a sum of positive squares in only one way, i.e., 356454400 + 40043584 = 18880^2 + 6328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097577 + ... + 3097704.

Almost surely, 2^396497984 is an apocalyptic number.

It is an amenable number.

396497984 is a deficient number, since it is larger than the sum of its proper divisors (390302830).

396497984 is an equidigital number, since it uses as much as digits as its factorization.

396497984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195293 (or 6195283 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 396497984 is about 19912.2571297179. The cubic root of 396497984 is about 734.6497376250.

The spelling of 396497984 in words is "three hundred ninety-six million, four hundred ninety-seven thousand, nine hundred eighty-four".