307416397 has 2 divisors, whose sum is σ = 307416398. Its totient is φ = 307416396.

The previous prime is 307416349. The next prime is 307416451. The reversal of 307416397 is 793614703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197711721 + 109704676 = 14061^2 + 10474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307416397 is a prime.

It is a super-2 number, since 2×307416397² = 189009682288923218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307416337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153708198 + 153708199.

It is an arithmetic number, because the mean of its divisors is an integer number (153708199).

Almost surely, 2^307416397 is an apocalyptic number.

It is an amenable number.

307416397 is a deficient number, since it is larger than the sum of its proper divisors (1).

307416397 is an equidigital number, since it uses as much as digits as its factorization.

307416397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 307416397 is about 17533.2939574970. The cubic root of 307416397 is about 674.9045293415.

The spelling of 307416397 in words is "three hundred seven million, four hundred sixteen thousand, three hundred ninety-seven".