2097290 has 48 divisors (see below), whose sum is σ = 4387608. Its totient is φ = 718848.

The previous prime is 2097289. The next prime is 2097311. The reversal of 2097290 is 927902.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 26569 + 2070721 = 163^2 + 1439^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28694 + ... + 28766.

2^2097290 is an apocalyptic number.

2097290 is an abundant number, since it is smaller than the sum of its proper divisors (2290318).

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

2097290 is a wasteful number, since it uses less digits than its factorization.

2097290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2097290 is about 1448.2023339299. The cubic root of 2097290 is about 128.0028075556.

The spelling of 2097290 in words is "two million, ninety-seven thousand, two hundred ninety".