7936913 has 2 divisors, whose sum is σ = 7936914. Its totient is φ = 7936912.

The previous prime is 7936891. The next prime is 7936949. The reversal of 7936913 is 3196397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 1056784 = 2623^2 + 1028^2 .

It is an emirp because it is prime and its reverse (3196397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7936913 - 2¹² = 7932817 is a prime.

It is not a weakly prime, because it can be changed into another prime (7936963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3968456 + 3968457.

It is an arithmetic number, because the mean of its divisors is an integer number (3968457).

Almost surely, 2^7936913 is an apocalyptic number.

It is an amenable number.

7936913 is a deficient number, since it is larger than the sum of its proper divisors (1).

7936913 is an equidigital number, since it uses as much as digits as its factorization.

7936913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 38.

The square root of 7936913 is about 2817.2527398159. The cubic root of 7936913 is about 199.4728869798.

The spelling of 7936913 in words is "seven million, nine hundred thirty-six thousand, nine hundred thirteen".