396967924 has 6 divisors (see below), whose sum is σ = 694693874. Its totient is φ = 198483960.

The previous prime is 396967919. The next prime is 396967937. The reversal of 396967924 is 429769693.

It can be written as a sum of positive squares in only one way, i.e., 361684324 + 35283600 = 19018^2 + 5940^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49620987 + ... + 49620994.

Almost surely, 2^396967924 is an apocalyptic number.

It is an amenable number.

396967924 is a deficient number, since it is larger than the sum of its proper divisors (297725950).

396967924 is a wasteful number, since it uses less digits than its factorization.

396967924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99241985 (or 99241983 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 55.

The square root of 396967924 is about 19924.0539047655. The cubic root of 396967924 is about 734.9398651960.

The spelling of 396967924 in words is "three hundred ninety-six million, nine hundred sixty-seven thousand, nine hundred twenty-four".