2190790 has 48 divisors (see below), whose sum is σ = 4875552. Its totient is φ = 704256.

The previous prime is 2190763. The next prime is 2190809. The reversal of 2190790 is 970912.

2190790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 8199 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (101574).

2^2190790 is an apocalyptic number.

2190790 is an abundant number, since it is smaller than the sum of its proper divisors (2684762).

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

2190790 is a wasteful number, since it uses less digits than its factorization.

2190790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2190790 is about 1480.1317508925. The cubic root of 2190790 is about 129.8773992065.

The spelling of 2190790 in words is "two million, one hundred ninety thousand, seven hundred ninety".