2090790 has 48 divisors (see below), whose sum is σ = 5857488. Its totient is φ = 514368.

The previous prime is 2090771. The next prime is 2090791. The reversal of 2090790 is 970902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (122031).

2^2090790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928744).

2090790 is an abundant number, since it is smaller than the sum of its proper divisors (3766698).

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

2090790 is a wasteful number, since it uses less digits than its factorization.

2090790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 2090790 is about 1445.9564308789. The cubic root of 2090790 is about 127.8704336711.

The spelling of 2090790 in words is "two million, ninety thousand, seven hundred ninety".