2118432 has 24 divisors (see below), whose sum is σ = 5561136. Its totient is φ = 706112.

The previous prime is 2118419. The next prime is 2118433. The reversal of 2118432 is 2348112.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2118399 and 2118408.

It is not an unprimeable number, because it can be changed into a prime (2118433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10938 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (231714).

2^2118432 is an apocalyptic number.

It is an amenable number.

2118432 is an abundant number, since it is smaller than the sum of its proper divisors (3442704).

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

2118432 is a wasteful number, since it uses less digits than its factorization.

2118432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22080 (or 22072 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 2118432 is about 1455.4834248455. The cubic root of 2118432 is about 128.4314865377.

The spelling of 2118432 in words is "two million, one hundred eighteen thousand, four hundred thirty-two".