396307313 has 2 divisors, whose sum is σ = 396307314. Its totient is φ = 396307312.

The previous prime is 396307231. The next prime is 396307343. The reversal of 396307313 is 313703693.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393149584 + 3157729 = 19828^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 396307313 - 2¹² = 396303217 is a prime.

It is equal to p_21149657 and since 396307313 and 21149657 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (396307343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198153656 + 198153657.

It is an arithmetic number, because the mean of its divisors is an integer number (198153657).

Almost surely, 2^396307313 is an apocalyptic number.

It is an amenable number.

396307313 is a deficient number, since it is larger than the sum of its proper divisors (1).

396307313 is an equidigital number, since it uses as much as digits as its factorization.

396307313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 35.

The square root of 396307313 is about 19907.4687743068. The cubic root of 396307313 is about 734.5319574046.

The spelling of 396307313 in words is "three hundred ninety-six million, three hundred seven thousand, three hundred thirteen".