397576801 has 4 divisors (see below), whose sum is σ = 398276100. Its totient is φ = 396877504.

The previous prime is 397576787. The next prime is 397576819. The reversal of 397576801 is 108675793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108675793 = 97 ⋅1120369.

It can be written as a sum of positive squares in 2 ways, for example, as 105987025 + 291589776 = 10295^2 + 17076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397576801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397576831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348796 + ... + 349933.

It is an arithmetic number, because the mean of its divisors is an integer number (99569025).

Almost surely, 2^397576801 is an apocalyptic number.

It is an amenable number.

397576801 is a deficient number, since it is larger than the sum of its proper divisors (699299).

397576801 is an equidigital number, since it uses as much as digits as its factorization.

397576801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699298.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 397576801 is about 19939.3279977034. The cubic root of 397576801 is about 735.3154281903.

The spelling of 397576801 in words is "three hundred ninety-seven million, five hundred seventy-six thousand, eight hundred one".