397592897 has 8 divisors (see below), whose sum is σ = 429475200. Its totient is φ = 365896080.

The previous prime is 397592893. The next prime is 397592903. The reversal of 397592897 is 798295793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397592897 - 2² = 397592893 is a prime.

It is a super-2 number, since 2×397592897² = 316160223489705218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397592893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41897 + ... + 50502.

It is an arithmetic number, because the mean of its divisors is an integer number (53684400).

Almost surely, 2^397592897 is an apocalyptic number.

It is an amenable number.

397592897 is a deficient number, since it is larger than the sum of its proper divisors (31882303).

397592897 is a wasteful number, since it uses less digits than its factorization.

397592897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92743.

The product of its digits is 8573040, while the sum is 59.

The square root of 397592897 is about 19939.7316180534. The cubic root of 397592897 is about 735.3253512017.

The spelling of 397592897 in words is "three hundred ninety-seven million, five hundred ninety-two thousand, eight hundred ninety-seven".