2160090 has 24 divisors (see below), whose sum is σ = 5616468. Its totient is φ = 576000.

The previous prime is 2160061. The next prime is 2160101. The reversal of 2160090 is 900612.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 77841 = 1443^2 + 279^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11911 + ... + 12090.

2^2160090 is an apocalyptic number.

2160090 is an abundant number, since it is smaller than the sum of its proper divisors (3456378).

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

2160090 is a wasteful number, since it uses less digits than its factorization.

2160090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24014 (or 24011 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2160090 is about 1469.7244639728. The cubic root of 2160090 is about 129.2678767392.

The spelling of 2160090 in words is "two million, one hundred sixty thousand, ninety".