396113917 has 2 divisors, whose sum is σ = 396113918. Its totient is φ = 396113916.

The previous prime is 396113911. The next prime is 396113941. The reversal of 396113917 is 719311693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220047556 + 176066361 = 14834^2 + 13269^2 .

It is a cyclic number.

It is not a de Polignac number, because 396113917 - 2¹¹ = 396111869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396113917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396113911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198056958 + 198056959.

It is an arithmetic number, because the mean of its divisors is an integer number (198056959).

Almost surely, 2^396113917 is an apocalyptic number.

It is an amenable number.

396113917 is a deficient number, since it is larger than the sum of its proper divisors (1).

396113917 is an equidigital number, since it uses as much as digits as its factorization.

396113917 is an evil number, because the sum of its binary digits is even.

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

The square root of 396113917 is about 19902.6108086351. The cubic root of 396113917 is about 734.4124553149.

The spelling of 396113917 in words is "three hundred ninety-six million, one hundred thirteen thousand, nine hundred seventeen".