2056290 has 16 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 548336.

The previous prime is 2056289. The next prime is 2056319. The reversal of 2056290 is 926502.

It is a self number, because there is not a number n which added to its sum of digits gives 2056290.

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, 34242 + ... + 34301.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

2^2056290 is an apocalyptic number.

2056290 is an abundant number, since it is smaller than the sum of its proper divisors (2878878).

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

2056290 is a wasteful number, since it uses less digits than its factorization.

2056290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68553.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2056290 is about 1433.9769872630. The cubic root of 2056290 is about 127.1632018471.

It can be divided in two parts, 2056 and 290, that added together give a triangular number (2346 = T₆₈).

The spelling of 2056290 in words is "two million, fifty-six thousand, two hundred ninety".