2040890 has 16 divisors (see below), whose sum is σ = 3704832. Its totient is φ = 809424.

The previous prime is 2040851. The next prime is 2040917. The reversal of 2040890 is 980402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (231552).

2^2040890 is an apocalyptic number.

2040890 is a deficient number, since it is larger than the sum of its proper divisors (1663942).

2040890 is a wasteful number, since it uses less digits than its factorization.

2040890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2040890 is about 1428.5972140530. The cubic root of 2040890 is about 126.8449551513.

The spelling of 2040890 in words is "two million, forty thousand, eight hundred ninety".