2664860 has 24 divisors (see below), whose sum is σ = 6105456. Its totient is φ = 968960.

The previous prime is 2664859. The next prime is 2664889. The reversal of 2664860 is 684662.

It is a happy number.

2664860 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 5837 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (254394).

2^2664860 is an apocalyptic number.

2664860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664860 is an abundant number, since it is smaller than the sum of its proper divisors (3440596).

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

2664860 is a wasteful number, since it uses less digits than its factorization.

2664860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133 (or 12131 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2664860 is about 1632.4398916959. The cubic root of 2664860 is about 138.6409309775.

The spelling of 2664860 in words is "two million, six hundred sixty-four thousand, eight hundred sixty".