7920392 has 16 divisors (see below), whose sum is σ = 14936400. Its totient is φ = 3937360.

The previous prime is 7920389. The next prime is 7920401. The reversal of 7920392 is 2930297.

7920392 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (933525).

Almost surely, 2^7920392 is an apocalyptic number.

It is an amenable number.

7920392 is a deficient number, since it is larger than the sum of its proper divisors (7016008).

7920392 is a wasteful number, since it uses less digits than its factorization.

7920392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5712 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 7920392 is about 2814.3191005996. The cubic root of 7920392 is about 199.3343872558.

The spelling of 7920392 in words is "seven million, nine hundred twenty thousand, three hundred ninety-two".