7868631 has 8 divisors (see below), whose sum is σ = 10514160. Its totient is φ = 5234432.

The previous prime is 7868629. The next prime is 7868633. The reversal of 7868631 is 1368687.

It is an interprime number because it is at equal distance from previous prime (7868629) and next prime (7868633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7868631 - 2¹ = 7868629 is a prime.

It is a super-2 number, since 2×7868631² = 123830707628322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7868631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (1314270).

Almost surely, 2^7868631 is an apocalyptic number.

7868631 is a deficient number, since it is larger than the sum of its proper divisors (2645529).

7868631 is a wasteful number, since it uses less digits than its factorization.

7868631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665.

The product of its digits is 48384, while the sum is 39.

The square root of 7868631 is about 2805.1080193105. The cubic root of 7868631 is about 198.8992107642.

The spelling of 7868631 in words is "seven million, eight hundred sixty-eight thousand, six hundred thirty-one".