6624992 has 72 divisors (see below), whose sum is σ = 15082200. Its totient is φ = 2858240.

The previous prime is 6624973. The next prime is 6625001. The reversal of 6624992 is 2994266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112259 + ... + 112317.

It is an arithmetic number, because the mean of its divisors is an integer number (209475).

Almost surely, 2^6624992 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 6624992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7541100).

6624992 is an abundant number, since it is smaller than the sum of its proper divisors (8457208).

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

6624992 is a wasteful number, since it uses less digits than its factorization.

6624992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 101 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 6624992 is about 2573.9059811889. The cubic root of 6624992 is about 187.8142121128.

The spelling of 6624992 in words is "six million, six hundred twenty-four thousand, nine hundred ninety-two".