2118788 has 24 divisors (see below), whose sum is σ = 4376064. Its totient is φ = 878400.

The previous prime is 2118751. The next prime is 2118791. The reversal of 2118788 is 8878112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (182336).

2^2118788 is an apocalyptic number.

2118788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2118788 is an abundant number, since it is smaller than the sum of its proper divisors (2257276).

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

2118788 is a wasteful number, since it uses less digits than its factorization.

2118788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2481 counting only the distinct ones).

The product of its digits is 7168, while the sum is 35.

The square root of 2118788 is about 1455.6057158448. The cubic root of 2118788 is about 128.4386803881.

The spelling of 2118788 in words is "two million, one hundred eighteen thousand, seven hundred eighty-eight".