2256090 has 32 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 596544.

The previous prime is 2256073. The next prime is 2256097. The reversal of 2256090 is 906522.

2256090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2256090.

It is not an unprimeable number, because it can be changed into a prime (2256097) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4471 + ... + 4949.

It is an arithmetic number, because the mean of its divisors is an integer number (170640).

2^2256090 is an apocalyptic number.

2256090 is an abundant number, since it is smaller than the sum of its proper divisors (3204390).

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

2256090 is a wasteful number, since it uses less digits than its factorization.

2256090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2256090 is about 1502.0286282225. The cubic root of 2256090 is about 131.1551877620.

The spelling of 2256090 in words is "two million, two hundred fifty-six thousand, ninety".