7969864 has 16 divisors (see below), whose sum is σ = 17078400. Its totient is φ = 3415632.

The previous prime is 7969853. The next prime is 7969877. The reversal of 7969864 is 4689697.

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 3 ways as a sum of consecutive naturals, for example, 71104 + ... + 71215.

It is an arithmetic number, because the mean of its divisors is an integer number (1067400).

Almost surely, 2^7969864 is an apocalyptic number.

It is an amenable number.

7969864 is an abundant number, since it is smaller than the sum of its proper divisors (9108536).

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

7969864 is a wasteful number, since it uses less digits than its factorization.

7969864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142332 (or 142328 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 7969864 is about 2823.0947557601. The cubic root of 7969864 is about 199.7485506653.

The spelling of 7969864 in words is "seven million, nine hundred sixty-nine thousand, eight hundred sixty-four".