2109790 has 16 divisors (see below), whose sum is σ = 3963168. Its totient is φ = 807136.

The previous prime is 2109769. The next prime is 2109791. The reversal of 2109790 is 979012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4357 + ... + 4816.

It is an arithmetic number, because the mean of its divisors is an integer number (247698).

2^2109790 is an apocalyptic number.

2109790 is a deficient number, since it is larger than the sum of its proper divisors (1853378).

2109790 is a wasteful number, since it uses less digits than its factorization.

2109790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203.

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

The square root of 2109790 is about 1452.5116178537. The cubic root of 2109790 is about 128.2566059976.

It can be divided in two parts, 210 and 9790, that added together give a 4-th power (10000 = 10⁴).

The spelling of 2109790 in words is "two million, one hundred nine thousand, seven hundred ninety".