396913117 has 2 divisors, whose sum is σ = 396913118. Its totient is φ = 396913116.

The previous prime is 396913067. The next prime is 396913141. The reversal of 396913117 is 711319693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288524196 + 108388921 = 16986^2 + 10411^2 .

It is a cyclic number.

It is not a de Polignac number, because 396913117 - 2¹⁵ = 396880349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396913117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396913417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198456558 + 198456559.

It is an arithmetic number, because the mean of its divisors is an integer number (198456559).

Almost surely, 2^396913117 is an apocalyptic number.

It is an amenable number.

396913117 is a deficient number, since it is larger than the sum of its proper divisors (1).

396913117 is an equidigital number, since it uses as much as digits as its factorization.

396913117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 40.

The square root of 396913117 is about 19922.6784594843. The cubic root of 396913117 is about 734.9060407141.

The spelling of 396913117 in words is "three hundred ninety-six million, nine hundred thirteen thousand, one hundred seventeen".