2118592 has 28 divisors (see below), whose sum is σ = 4805680. Its totient is φ = 907776.

The previous prime is 2118587. The next prime is 2118601. The reversal of 2118592 is 2958112.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2118592.

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 3 ways as a sum of consecutive naturals, for example, 1917 + ... + 2812.

2^2118592 is an apocalyptic number.

It is an amenable number.

2118592 is an abundant number, since it is smaller than the sum of its proper divisors (2687088).

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

2118592 is an equidigital number, since it uses as much as digits as its factorization.

2118592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4738 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 2118592 is about 1455.5383883636. The cubic root of 2118592 is about 128.4347198286.

The spelling of 2118592 in words is "two million, one hundred eighteen thousand, five hundred ninety-two".