7983939 has 16 divisors (see below), whose sum is σ = 11088000. Its totient is φ = 5105856.

The previous prime is 7983929. The next prime is 7983947. The reversal of 7983939 is 9393897.

It is not a de Polignac number, because 7983939 - 2⁸ = 7983683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983919) 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 in 15 ways as a sum of consecutive naturals, for example, 7087 + ... + 8135.

It is an arithmetic number, because the mean of its divisors is an integer number (693000).

Almost surely, 2^7983939 is an apocalyptic number.

7983939 is a deficient number, since it is larger than the sum of its proper divisors (3104061).

7983939 is a wasteful number, since it uses less digits than its factorization.

7983939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its digits is 367416, while the sum is 48.

The square root of 7983939 is about 2825.5864877933. The cubic root of 7983939 is about 199.8660686653.

The spelling of 7983939 in words is "seven million, nine hundred eighty-three thousand, nine hundred thirty-nine".