2290656 has 48 divisors (see below), whose sum is σ = 6096384. Its totient is φ = 753024.

The previous prime is 2290649. The next prime is 2290703. The reversal of 2290656 is 6560922.

2290656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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, 10161 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

2^2290656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048192).

2290656 is an abundant number, since it is smaller than the sum of its proper divisors (3805728).

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

2290656 is a wasteful number, since it uses less digits than its factorization.

2290656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2290656 is about 1513.4913280227. The cubic root of 2290656 is about 131.8216139488.

The spelling of 2290656 in words is "two million, two hundred ninety thousand, six hundred fifty-six".