2185264 has 20 divisors (see below), whose sum is σ = 4305280. Its totient is φ = 1074240.

The previous prime is 2185241. The next prime is 2185279. The reversal of 2185264 is 4625812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (215264).

2^2185264 is an apocalyptic number.

It is an amenable number.

2185264 is a deficient number, since it is larger than the sum of its proper divisors (2120016).

2185264 is a wasteful number, since it uses less digits than its factorization.

2185264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2185264 is about 1478.2638465443. The cubic root of 2185264 is about 129.7681073082.

The spelling of 2185264 in words is "two million, one hundred eighty-five thousand, two hundred sixty-four".