2090858 has 16 divisors (see below), whose sum is σ = 3910464. Its totient is φ = 814560.

The previous prime is 2090849. The next prime is 2090863. The reversal of 2090858 is 8580902.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6635 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (244404).

2^2090858 is an apocalyptic number.

2090858 is a deficient number, since it is larger than the sum of its proper divisors (1819606).

2090858 is a wasteful number, since it uses less digits than its factorization.

2090858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13597.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2090858 is about 1445.9799445359. The cubic root of 2090858 is about 127.8718199246.

The spelling of 2090858 in words is "two million, ninety thousand, eight hundred fifty-eight".