7939693 has 2 divisors, whose sum is σ = 7939694. Its totient is φ = 7939692.

The previous prime is 7939661. The next prime is 7939703. The reversal of 7939693 is 3969397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7828804 + 110889 = 2798^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 7939693 - 2⁵ = 7939661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7939643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3969846 + 3969847.

It is an arithmetic number, because the mean of its divisors is an integer number (3969847).

Almost surely, 2^7939693 is an apocalyptic number.

It is an amenable number.

7939693 is a deficient number, since it is larger than the sum of its proper divisors (1).

7939693 is an equidigital number, since it uses as much as digits as its factorization.

7939693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 46.

The square root of 7939693 is about 2817.7460850829. The cubic root of 7939693 is about 199.4961735269.

The spelling of 7939693 in words is "seven million, nine hundred thirty-nine thousand, six hundred ninety-three".