397364371 has 2 divisors, whose sum is σ = 397364372. Its totient is φ = 397364370.

The previous prime is 397364327. The next prime is 397364381. The reversal of 397364371 is 173463793.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397364371 is a prime.

It is not a weakly prime, because it can be changed into another prime (397364311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198682185 + 198682186.

It is an arithmetic number, because the mean of its divisors is an integer number (198682186).

Almost surely, 2^397364371 is an apocalyptic number.

397364371 is a deficient number, since it is larger than the sum of its proper divisors (1).

397364371 is an equidigital number, since it uses as much as digits as its factorization.

397364371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 43.

The square root of 397364371 is about 19934.0003762416. Note that the first 3 decimals coincide. The cubic root of 397364371 is about 735.1844422737.

The spelling of 397364371 in words is "three hundred ninety-seven million, three hundred sixty-four thousand, three hundred seventy-one".