2660856 has 32 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 806240.

The previous prime is 2660849. The next prime is 2660863. The reversal of 2660856 is 6580662.

2660856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2660849) and next prime (2660863).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4776 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^2660856 is an apocalyptic number.

It is an amenable number.

2660856 is an abundant number, since it is smaller than the sum of its proper divisors (4596744).

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

2660856 is a wasteful number, since it uses less digits than its factorization.

2660856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099 (or 10095 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2660856 is about 1631.2130455584. The cubic root of 2660856 is about 138.5714593424.

The spelling of 2660856 in words is "two million, six hundred sixty thousand, eight hundred fifty-six".