397616707 has 2 divisors, whose sum is σ = 397616708. Its totient is φ = 397616706.

The previous prime is 397616683. The next prime is 397616731. The reversal of 397616707 is 707616793.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (397616683) and next prime (397616731).

It is a cyclic number.

It is not a de Polignac number, because 397616707 - 2⁷ = 397616579 is a prime.

It is not a weakly prime, because it can be changed into another prime (397617707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198808353 + 198808354.

It is an arithmetic number, because the mean of its divisors is an integer number (198808354).

Almost surely, 2^397616707 is an apocalyptic number.

397616707 is a deficient number, since it is larger than the sum of its proper divisors (1).

397616707 is an equidigital number, since it uses as much as digits as its factorization.

397616707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 397616707 is about 19940.3286582744. The cubic root of 397616707 is about 735.3400293203.

The spelling of 397616707 in words is "three hundred ninety-seven million, six hundred sixteen thousand, seven hundred seven".