2090170 has 16 divisors (see below), whose sum is σ = 3784968. Its totient is φ = 831040.

The previous prime is 2090159. The next prime is 2090173. The reversal of 2090170 is 710902.

It can be written as a sum of positive squares in 4 ways, for example, as 2082249 + 7921 = 1443^2 + 89^2 .

It is not an unprimeable number, because it can be changed into a prime (2090173) 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, 1440 + ... + 2500.

2^2090170 is an apocalyptic number.

2090170 is a deficient number, since it is larger than the sum of its proper divisors (1694798).

2090170 is a wasteful number, since it uses less digits than its factorization.

2090170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 2090170 is about 1445.7420240140. The cubic root of 2090170 is about 127.8577929138.

The spelling of 2090170 in words is "two million, ninety thousand, one hundred seventy".