2118468 has 36 divisors (see below), whose sum is σ = 5437040. Its totient is φ = 641520.

The previous prime is 2118449. The next prime is 2118491. The reversal of 2118468 is 8648112.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 723 + ... + 2181.

2^2118468 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 2118468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718520).

2118468 is an abundant number, since it is smaller than the sum of its proper divisors (3318572).

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

2118468 is a wasteful number, since it uses less digits than its factorization.

2118468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1475 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 2118468 is about 1455.4957918180. The cubic root of 2118468 is about 128.4322140424.

The spelling of 2118468 in words is "two million, one hundred eighteen thousand, four hundred sixty-eight".