7868424 has 16 divisors (see below), whose sum is σ = 19671120. Its totient is φ = 2622800.

The previous prime is 7868423. The next prime is 7868431. The reversal of 7868424 is 4248687.

It is not an unprimeable number, because it can be changed into a prime (7868423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163902 + ... + 163949.

It is an arithmetic number, because the mean of its divisors is an integer number (1229445).

Almost surely, 2^7868424 is an apocalyptic number.

It is an amenable number.

7868424 is an abundant number, since it is smaller than the sum of its proper divisors (11802696).

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

7868424 is a wasteful number, since it uses less digits than its factorization.

7868424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327860 (or 327856 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 7868424 is about 2805.0711220930. The cubic root of 7868424 is about 198.8974666023.

The spelling of 7868424 in words is "seven million, eight hundred sixty-eight thousand, four hundred twenty-four".