2045790 has 32 divisors (see below), whose sum is σ = 5456160. Its totient is φ = 545472.

The previous prime is 2045789. The next prime is 2045819. The reversal of 2045790 is 975402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519 + ... + 4058.

It is an arithmetic number, because the mean of its divisors is an integer number (170505).

2^2045790 is an apocalyptic number.

2045790 is an abundant number, since it is smaller than the sum of its proper divisors (3410370).

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

2045790 is a wasteful number, since it uses less digits than its factorization.

2045790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2045790 is about 1430.3111549589. The cubic root of 2045790 is about 126.9463885980.

The spelling of 2045790 in words is "two million, forty-five thousand, seven hundred ninety".