2090775 has 24 divisors (see below), whose sum is σ = 3521104. Its totient is φ = 1094400.

The previous prime is 2090771. The next prime is 2090791. The reversal of 2090775 is 5770902.

It is a happy number.

It is not a de Polignac number, because 2090775 - 2² = 2090771 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090771) 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, 4347 + ... + 4803.

2^2090775 is an apocalyptic number.

2090775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2090775 is a deficient number, since it is larger than the sum of its proper divisors (1430329).

2090775 is a wasteful number, since it uses less digits than its factorization.

2090775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 2090775 is about 1445.9512439913. The cubic root of 2090775 is about 127.8701278758.

The spelling of 2090775 in words is "two million, ninety thousand, seven hundred seventy-five".