7964992 has 56 divisors (see below), whose sum is σ = 18873216. Its totient is φ = 3260928.

The previous prime is 7964987. The next prime is 7965007. The reversal of 7964992 is 2994697.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9918 + ... + 10690.

Almost surely, 2^7964992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7964992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9436608).

7964992 is an abundant number, since it is smaller than the sum of its proper divisors (10908224).

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

7964992 is a wasteful number, since it uses less digits than its factorization.

7964992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 805 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 7964992 is about 2822.2317410163. The cubic root of 7964992 is about 199.7078400874.

The spelling of 7964992 in words is "seven million, nine hundred sixty-four thousand, nine hundred ninety-two".