2640608 has 24 divisors (see below), whose sum is σ = 5239080. Its totient is φ = 1310080.

The previous prime is 2640581. The next prime is 2640643. The reversal of 2640608 is 8060462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (218295).

2^2640608 is an apocalyptic number.

It is an amenable number.

2640608 is a deficient number, since it is larger than the sum of its proper divisors (2598472).

2640608 is a wasteful number, since it uses less digits than its factorization.

2640608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2640608 is about 1624.9947692224. The cubic root of 2640608 is about 138.2190737286.

The spelling of 2640608 in words is "two million, six hundred forty thousand, six hundred eight".