397696396 has 36 divisors (see below), whose sum is σ = 723626904. Its totient is φ = 191237760.

The previous prime is 397696373. The next prime is 397696399. The reversal of 397696396 is 693696793.

It is a self number, because there is not a number n which added to its sum of digits gives 397696396.

It is not an unprimeable number, because it can be changed into a prime (397696399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179940 + ... + 1180276.

Almost surely, 2^397696396 is an apocalyptic number.

It is an amenable number.

397696396 is a deficient number, since it is larger than the sum of its proper divisors (325930508).

397696396 is a wasteful number, since it uses less digits than its factorization.

397696396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 677 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 58.

The square root of 397696396 is about 19942.3267448911. The cubic root of 397696396 is about 735.3891508288.

The spelling of 397696396 in words is "three hundred ninety-seven million, six hundred ninety-six thousand, three hundred ninety-six".