397364567 has 2 divisors, whose sum is σ = 397364568. Its totient is φ = 397364566.

The previous prime is 397364543. The next prime is 397364581. The reversal of 397364567 is 765463793.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397364567 - 2⁸ = 397364311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397364167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198682283 + 198682284.

It is an arithmetic number, because the mean of its divisors is an integer number (198682284).

Almost surely, 2^397364567 is an apocalyptic number.

397364567 is a deficient number, since it is larger than the sum of its proper divisors (1).

397364567 is an equidigital number, since it uses as much as digits as its factorization.

397364567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 50.

The square root of 397364567 is about 19934.0052924644. The cubic root of 397364567 is about 735.1845631503.

The spelling of 397364567 in words is "three hundred ninety-seven million, three hundred sixty-four thousand, five hundred sixty-seven".