2664992 has 48 divisors (see below), whose sum is σ = 5860512. Its totient is φ = 1182720.

The previous prime is 2664989. The next prime is 2665001. The reversal of 2664992 is 2994662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23528 + ... + 23640.

It is an arithmetic number, because the mean of its divisors is an integer number (122094).

2^2664992 is an apocalyptic number.

2664992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930256).

2664992 is an abundant number, since it is smaller than the sum of its proper divisors (3195520).

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

2664992 is a wasteful number, since it uses less digits than its factorization.

2664992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 193 counting only the distinct ones).

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

The square root of 2664992 is about 1632.4803214740. The cubic root of 2664992 is about 138.6432200660.

The spelling of 2664992 in words is "two million, six hundred sixty-four thousand, nine hundred ninety-two".