2118768 has 40 divisors (see below), whose sum is σ = 5626128. Its totient is φ = 686592.

The previous prime is 2118751. The next prime is 2118791. The reversal of 2118768 is 8678112.

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 7 ways as a sum of consecutive naturals, for example, 1180 + ... + 2372.

2^2118768 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 2118768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2813064).

2118768 is an abundant number, since it is smaller than the sum of its proper divisors (3507360).

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

2118768 is a wasteful number, since it uses less digits than its factorization.

2118768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1235 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 2118768 is about 1455.5988458363. The cubic root of 2118768 is about 128.4382762605.

The spelling of 2118768 in words is "two million, one hundred eighteen thousand, seven hundred sixty-eight".