2648660 has 24 divisors (see below), whose sum is σ = 6357120. Its totient is φ = 908064.

The previous prime is 2648629. The next prime is 2648669. The reversal of 2648660 is 668462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9320 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (264880).

2^2648660 is an apocalyptic number.

2648660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2648660 is an abundant number, since it is smaller than the sum of its proper divisors (3708460).

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

2648660 is a wasteful number, since it uses less digits than its factorization.

2648660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18935 (or 18933 counting only the distinct ones).

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

The square root of 2648660 is about 1627.4704298389. The cubic root of 2648660 is about 138.3594215406.

The spelling of 2648660 in words is "two million, six hundred forty-eight thousand, six hundred sixty".