7996399 has 4 divisors (see below), whose sum is σ = 8040760. Its totient is φ = 7952040.

The previous prime is 7996381. The next prime is 7996423. The reversal of 7996399 is 9936997.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7996399 - 2⁵ = 7996367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7996309) 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, 21909 + ... + 22270.

It is an arithmetic number, because the mean of its divisors is an integer number (2010190).

Almost surely, 2^7996399 is an apocalyptic number.

7996399 is a deficient number, since it is larger than the sum of its proper divisors (44361).

7996399 is a wasteful number, since it uses less digits than its factorization.

7996399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44360.

The product of its digits is 826686, while the sum is 52.

The square root of 7996399 is about 2827.7904802160. The cubic root of 7996399 is about 199.9699871630.

The spelling of 7996399 in words is "seven million, nine hundred ninety-six thousand, three hundred ninety-nine".