397364167 has 2 divisors, whose sum is σ = 397364168. Its totient is φ = 397364166.

The previous prime is 397364159. The next prime is 397364197. The reversal of 397364167 is 761463793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397364167 - 2³ = 397364159 is a prime.

It is a super-3 number, since 3×397364167³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397364147) 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, 198682083 + 198682084.

It is an arithmetic number, because the mean of its divisors is an integer number (198682084).

Almost surely, 2^397364167 is an apocalyptic number.

397364167 is a deficient number, since it is larger than the sum of its proper divisors (1).

397364167 is an equidigital number, since it uses as much as digits as its factorization.

397364167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 397364167 is about 19933.9952593553. The cubic root of 397364167 is about 735.1843164634.

The spelling of 397364167 in words is "three hundred ninety-seven million, three hundred sixty-four thousand, one hundred sixty-seven".