2168530 has 32 divisors (see below), whose sum is σ = 4806144. Its totient is φ = 686016.

The previous prime is 2168521. The next prime is 2168549. The reversal of 2168530 is 358612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2168495 and 2168504.

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, 282 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (150192).

2^2168530 is an apocalyptic number.

2168530 is an abundant number, since it is smaller than the sum of its proper divisors (2637614).

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

2168530 is a wasteful number, since it uses less digits than its factorization.

2168530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2168530 is about 1472.5929512258. The cubic root of 2168530 is about 129.4360183436.

The spelling of 2168530 in words is "two million, one hundred sixty-eight thousand, five hundred thirty".