2185530 has 32 divisors (see below), whose sum is σ = 5284224. Its totient is φ = 578496.

The previous prime is 2185523. The next prime is 2185541. The reversal of 2185530 is 355812.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2185530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7752 + ... + 8028.

It is an arithmetic number, because the mean of its divisors is an integer number (165132).

2^2185530 is an apocalyptic number.

2185530 is an abundant number, since it is smaller than the sum of its proper divisors (3098694).

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

2185530 is a wasteful number, since it uses less digits than its factorization.

2185530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2185530 is about 1478.3538142136. The cubic root of 2185530 is about 129.7733724105.

The spelling of 2185530 in words is "two million, one hundred eighty-five thousand, five hundred thirty".