2090566 has 8 divisors (see below), whose sum is σ = 3165480. Its totient is φ = 1035408.

The previous prime is 2090509. The next prime is 2090567. The reversal of 2090566 is 6650902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090567) 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 3 ways as a sum of consecutive naturals, for example, 4671 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (395685).

2^2090566 is an apocalyptic number.

2090566 is a deficient number, since it is larger than the sum of its proper divisors (1074914).

2090566 is a wasteful number, since it uses less digits than its factorization.

2090566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2090566 is about 1445.8789714219. The cubic root of 2090566 is about 127.8658669762.

The spelling of 2090566 in words is "two million, ninety thousand, five hundred sixty-six".