7939933 has 2 divisors, whose sum is σ = 7939934. Its totient is φ = 7939932.

The previous prime is 7939931. The next prime is 7939949. The reversal of 7939933 is 3399397.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5207524 + 2732409 = 2282^2 + 1653^2 .

It is an emirp because it is prime and its reverse (3399397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7939933 - 2¹ = 7939931 is a prime.

Together with 7939931, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7939933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7939931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3969966 + 3969967.

It is an arithmetic number, because the mean of its divisors is an integer number (3969967).

Almost surely, 2^7939933 is an apocalyptic number.

It is an amenable number.

7939933 is a deficient number, since it is larger than the sum of its proper divisors (1).

7939933 is an equidigital number, since it uses as much as digits as its factorization.

7939933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137781, while the sum is 43.

The square root of 7939933 is about 2817.7886719909. The cubic root of 7939933 is about 199.4981836213.

The spelling of 7939933 in words is "seven million, nine hundred thirty-nine thousand, nine hundred thirty-three".