7959399 has 16 divisors (see below), whose sum is σ = 12311808. Its totient is φ = 4479552.

The previous prime is 7959373. The next prime is 7959401. The reversal of 7959399 is 9939597.

It is not a de Polignac number, because 7959399 - 2¹¹ = 7957351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7959319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422 + ... + 4235.

It is an arithmetic number, because the mean of its divisors is an integer number (769488).

Almost surely, 2^7959399 is an apocalyptic number.

7959399 is a deficient number, since it is larger than the sum of its proper divisors (4352409).

7959399 is a wasteful number, since it uses less digits than its factorization.

7959399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734.

The product of its digits is 688905, while the sum is 51.

The square root of 7959399 is about 2821.2406845216. The cubic root of 7959399 is about 199.6610843386.

The spelling of 7959399 in words is "seven million, nine hundred fifty-nine thousand, three hundred ninety-nine".