7685868 has 24 divisors (see below), whose sum is σ = 18007920. Its totient is φ = 2551360.

The previous prime is 7685857. The next prime is 7685879. The reversal of 7685868 is 8685867.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7685857) and next prime (7685879).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2038 + ... + 4418.

It is an arithmetic number, because the mean of its divisors is an integer number (750330).

Almost surely, 2^7685868 is an apocalyptic number.

It is an amenable number.

7685868 is an abundant number, since it is smaller than the sum of its proper divisors (10322052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7685868 is a wasteful number, since it uses less digits than its factorization.

7685868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2655 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 7685868 is about 2772.3398060122. The cubic root of 7685868 is about 197.3472022251.

Subtracting 7685868 from its reverse (8685867), we obtain a palindrome (999999).

The spelling of 7685868 in words is "seven million, six hundred eighty-five thousand, eight hundred sixty-eight".