396477976 has 8 divisors (see below), whose sum is σ = 743396220. Its totient is φ = 198238984.

The previous prime is 396477953. The next prime is 396478009. The reversal of 396477976 is 679774693.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 396477976.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24779866 + ... + 24779881.

Almost surely, 2^396477976 is an apocalyptic number.

It is an amenable number.

396477976 is a deficient number, since it is larger than the sum of its proper divisors (346918244).

396477976 is a wasteful number, since it uses less digits than its factorization.

396477976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49559753 (or 49559749 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 58.

The square root of 396477976 is about 19911.7547192607. The cubic root of 396477976 is about 734.6373801689.

The spelling of 396477976 in words is "three hundred ninety-six million, four hundred seventy-seven thousand, nine hundred seventy-six".