2090980 has 12 divisors (see below), whose sum is σ = 4391100. Its totient is φ = 836384.

The previous prime is 2090951. The next prime is 2090989. The reversal of 2090980 is 890902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 1327104 = 874^2 + 1152^2 .

It is not an unprimeable number, because it can be changed into a prime (2090989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52255 + ... + 52294.

It is an arithmetic number, because the mean of its divisors is an integer number (365925).

2^2090980 is an apocalyptic number.

2090980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090980 is an abundant number, since it is smaller than the sum of its proper divisors (2300120).

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

2090980 is a wasteful number, since it uses less digits than its factorization.

2090980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104558 (or 104556 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2090980 is about 1446.0221298445. The cubic root of 2090980 is about 127.8743069513.

The spelling of 2090980 in words is "two million, ninety thousand, nine hundred eighty".