397411207 has 2 divisors, whose sum is σ = 397411208. Its totient is φ = 397411206.

The previous prime is 397411187. The next prime is 397411213. The reversal of 397411207 is 702114793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397411207 - 2¹⁵ = 397378439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397411307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198705603 + 198705604.

It is an arithmetic number, because the mean of its divisors is an integer number (198705604).

Almost surely, 2^397411207 is an apocalyptic number.

397411207 is a deficient number, since it is larger than the sum of its proper divisors (1).

397411207 is an equidigital number, since it uses as much as digits as its factorization.

397411207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 397411207 is about 19935.1751183680. The cubic root of 397411207 is about 735.2133257103.

The spelling of 397411207 in words is "three hundred ninety-seven million, four hundred eleven thousand, two hundred seven".