407894713 has 2 divisors, whose sum is σ = 407894714. Its totient is φ = 407894712.

The previous prime is 407894687. The next prime is 407894737. The reversal of 407894713 is 317498704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406949929 + 944784 = 20173^2 + 972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407894713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 407894713.

It is not a weakly prime, because it can be changed into another prime (407894783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203947356 + 203947357.

It is an arithmetic number, because the mean of its divisors is an integer number (203947357).

Almost surely, 2^407894713 is an apocalyptic number.

It is an amenable number.

407894713 is a deficient number, since it is larger than the sum of its proper divisors (1).

407894713 is an equidigital number, since it uses as much as digits as its factorization.

407894713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 407894713 is about 20196.4034669542. The cubic root of 407894713 is about 741.6221494356.

The spelling of 407894713 in words is "four hundred seven million, eight hundred ninety-four thousand, seven hundred thirteen".