2090590 has 16 divisors (see below), whose sum is σ = 3855600. Its totient is φ = 815680.

The previous prime is 2090573. The next prime is 2090593. The reversal of 2090590 is 950902.

2090590 = 21² + 22² + ... + 184².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (240975).

2^2090590 is an apocalyptic number.

2090590 is a deficient number, since it is larger than the sum of its proper divisors (1765010).

2090590 is a wasteful number, since it uses less digits than its factorization.

2090590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 2090590 is about 1445.8872708479. The cubic root of 2090590 is about 127.8663562805.

The spelling of 2090590 in words is "two million, ninety thousand, five hundred ninety".