2290590 has 48 divisors (see below), whose sum is σ = 6155136. Its totient is φ = 590400.

The previous prime is 2290573. The next prime is 2290591. The reversal of 2290590 is 950922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2380 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (128232).

2^2290590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2290590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3077568).

2290590 is an abundant number, since it is smaller than the sum of its proper divisors (3864546).

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

2290590 is a wasteful number, since it uses less digits than its factorization.

2290590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2290590 is about 1513.4695239746. The cubic root of 2290590 is about 131.8203478908.

The spelling of 2290590 in words is "two million, two hundred ninety thousand, five hundred ninety".