397134967 has 2 divisors, whose sum is σ = 397134968. Its totient is φ = 397134966.

The previous prime is 397134953. The next prime is 397135003. The reversal of 397134967 is 769431793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397134967 - 2⁷ = 397134839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 397134967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397134917) 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, 198567483 + 198567484.

It is an arithmetic number, because the mean of its divisors is an integer number (198567484).

Almost surely, 2^397134967 is an apocalyptic number.

397134967 is a deficient number, since it is larger than the sum of its proper divisors (1).

397134967 is an equidigital number, since it uses as much as digits as its factorization.

397134967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The square root of 397134967 is about 19928.2454571395. The cubic root of 397134967 is about 735.0429376246.

The spelling of 397134967 in words is "three hundred ninety-seven million, one hundred thirty-four thousand, nine hundred sixty-seven".