2179164 has 48 divisors (see below), whose sum is σ = 5589920. Its totient is φ = 656640.

The previous prime is 2179153. The next prime is 2179187. The reversal of 2179164 is 4619712.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9402 + ... + 9630.

2^2179164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2179164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794960).

2179164 is an abundant number, since it is smaller than the sum of its proper divisors (3410756).

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

2179164 is a wasteful number, since it uses less digits than its factorization.

2179164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 308 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 2179164 is about 1476.1991735535. The cubic root of 2179164 is about 129.6472488140.

The spelling of 2179164 in words is "two million, one hundred seventy-nine thousand, one hundred sixty-four".