2640484 has 24 divisors (see below), whose sum is σ = 5761728. Its totient is φ = 1028640.

The previous prime is 2640409. The next prime is 2640497. The reversal of 2640484 is 4840462.

It is a Harshad number since it is a multiple of its sum of digits (28).

2640484 is a modest number, since divided by 484 gives 264 as remainder.

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, 3979 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (240072).

2^2640484 is an apocalyptic number.

It is an amenable number.

2640484 is an abundant number, since it is smaller than the sum of its proper divisors (3121244).

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

2640484 is a wasteful number, since it uses less digits than its factorization.

2640484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595 (or 8593 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2640484 is about 1624.9566148055. The cubic root of 2640484 is about 138.2169101570.

The spelling of 2640484 in words is "two million, six hundred forty thousand, four hundred eighty-four".