7995994 has 4 divisors (see below), whose sum is σ = 11993994. Its totient is φ = 3997996.

The previous prime is 7995991. The next prime is 7996031. The reversal of 7995994 is 4995997.

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

It can be written as a sum of positive squares in only one way, i.e., 7209225 + 786769 = 2685^2 + 887^2 .

It is not an unprimeable number, because it can be changed into a prime (7995991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998997 + ... + 1999000.

Almost surely, 2^7995994 is an apocalyptic number.

7995994 is a deficient number, since it is larger than the sum of its proper divisors (3998000).

7995994 is a wasteful number, since it uses less digits than its factorization.

7995994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997999.

The product of its digits is 918540, while the sum is 52.

The square root of 7995994 is about 2827.7188686289. The cubic root of 7995994 is about 199.9666110929.

The spelling of 7995994 in words is "seven million, nine hundred ninety-five thousand, nine hundred ninety-four".