7946920 has 16 divisors (see below), whose sum is σ = 17880660. Its totient is φ = 3178752.

The previous prime is 7946909. The next prime is 7946927. The reversal of 7946920 is 296497.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 362404 = 2754^2 + 602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7946920.

It is not an unprimeable number, because it can be changed into a prime (7946927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99297 + ... + 99376.

Almost surely, 2^7946920 is an apocalyptic number.

It is an amenable number.

7946920 is an abundant number, since it is smaller than the sum of its proper divisors (9933740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7946920 is a wasteful number, since it uses less digits than its factorization.

7946920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198684 (or 198680 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 7946920 is about 2819.0282013488. The cubic root of 7946920 is about 199.5566847506.

The spelling of 7946920 in words is "seven million, nine hundred forty-six thousand, nine hundred twenty".