7920938 has 16 divisors (see below), whose sum is σ = 12147840. Its totient is φ = 3872736.

The previous prime is 7920893. The next prime is 7920949. The reversal of 7920938 is 8390297.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 33023 + ... + 33261.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

Almost surely, 2^7920938 is an apocalyptic number.

7920938 is a deficient number, since it is larger than the sum of its proper divisors (4226902).

7920938 is a wasteful number, since it uses less digits than its factorization.

7920938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 7920938 is about 2814.4161028533. The cubic root of 7920938 is about 199.3389675878.

The spelling of 7920938 in words is "seven million, nine hundred twenty thousand, nine hundred thirty-eight".