7924868 has 18 divisors (see below), whose sum is σ = 16133166. Its totient is φ = 3396288.

The previous prime is 7924817. The next prime is 7924877. The reversal of 7924868 is 8684297.

It can be written as a sum of positive squares in only one way, i.e., 5466244 + 2458624 = 2338^2 + 1568^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20021 + ... + 20412.

It is an arithmetic number, because the mean of its divisors is an integer number (896287).

Almost surely, 2^7924868 is an apocalyptic number.

It is an amenable number.

7924868 is an abundant number, since it is smaller than the sum of its proper divisors (8208298).

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

7924868 is a wasteful number, since it uses less digits than its factorization.

7924868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40451 (or 40442 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 7924868 is about 2815.1142072747. The cubic root of 7924868 is about 199.3719297031.

The spelling of 7924868 in words is "seven million, nine hundred twenty-four thousand, eight hundred sixty-eight".