2656270 has 16 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 1016224.

The previous prime is 2656261. The next prime is 2656271. The reversal of 2656270 is 726562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5545 + ... + 6004.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

2^2656270 is an apocalyptic number.

2656270 is a deficient number, since it is larger than the sum of its proper divisors (2333330).

2656270 is a wasteful number, since it uses less digits than its factorization.

2656270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2656270 is about 1629.8067370090. The cubic root of 2656270 is about 138.4918040044.

It can be divided in two parts, 2656 and 270, that added together give a triangular number (2926 = T₇₆).

The spelling of 2656270 in words is "two million, six hundred fifty-six thousand, two hundred seventy".