397969596 has 18 divisors (see below), whose sum is σ = 1005978792. Its totient is φ = 132656520.

The previous prime is 397969589. The next prime is 397969597. The reversal of 397969596 is 695969793.

397969596 is a `hidden beast` number, since 39 + 7 + 9 + 6 + 9 + 596 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397969597) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5527320 + ... + 5527391.

Almost surely, 2^397969596 is an apocalyptic number.

397969596 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

397969596 is an abundant number, since it is smaller than the sum of its proper divisors (608009196).

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

397969596 is a wasteful number, since it uses less digits than its factorization.

397969596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054721 (or 11054716 counting only the distinct ones).

The product of its digits is 24800580, while the sum is 63.

The square root of 397969596 is about 19949.1753213009. The cubic root of 397969596 is about 735.5575056597.

The spelling of 397969596 in words is "three hundred ninety-seven million, nine hundred sixty-nine thousand, five hundred ninety-six".