397046759 has 2 divisors, whose sum is σ = 397046760. Its totient is φ = 397046758.

The previous prime is 397046737. The next prime is 397046761. The reversal of 397046759 is 957640793.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397046759 is a prime.

It is a super-2 number, since 2×397046759² = 315292257664808162, which contains 22 as substring.

Together with 397046761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397042759) 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, 198523379 + 198523380.

It is an arithmetic number, because the mean of its divisors is an integer number (198523380).

Almost surely, 2^397046759 is an apocalyptic number.

397046759 is a deficient number, since it is larger than the sum of its proper divisors (1).

397046759 is an equidigital number, since it uses as much as digits as its factorization.

397046759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 397046759 is about 19926.0321940922. The cubic root of 397046759 is about 734.9885132485.

The spelling of 397046759 in words is "three hundred ninety-seven million, forty-six thousand, seven hundred fifty-nine".