7868331 has 12 divisors (see below), whose sum is σ = 12034152. Its totient is φ = 4936896.

The previous prime is 7868293. The next prime is 7868339. The reversal of 7868331 is 1338687.

It is a de Polignac number, because none of the positive numbers 2^k-7868331 is a prime.

It is a super-2 number, since 2×7868331² = 123821265451122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7868339) 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 11 ways as a sum of consecutive naturals, for example, 25561 + ... + 25866.

It is an arithmetic number, because the mean of its divisors is an integer number (1002846).

Almost surely, 2^7868331 is an apocalyptic number.

7868331 is a deficient number, since it is larger than the sum of its proper divisors (4165821).

7868331 is a wasteful number, since it uses less digits than its factorization.

7868331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51450 (or 51447 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 7868331 is about 2805.0545449242. The cubic root of 7868331 is about 198.8966829834.

The spelling of 7868331 in words is "seven million, eight hundred sixty-eight thousand, three hundred thirty-one".