18124232 has 16 divisors (see below), whose sum is σ = 38837760. Its totient is φ = 7767504.

The previous prime is 18124229. The next prime is 18124247. The reversal of 18124232 is 23242181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18124198 and 18124207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161768 + ... + 161879.

It is an arithmetic number, because the mean of its divisors is an integer number (2427360).

Almost surely, 2^18124232 is an apocalyptic number.

It is an amenable number.

18124232 is an abundant number, since it is smaller than the sum of its proper divisors (20713528).

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

18124232 is a wasteful number, since it uses less digits than its factorization.

18124232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323660 (or 323656 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 18124232 is about 4257.2563935004. The cubic root of 18124232 is about 262.6756834523.

The spelling of 18124232 in words is "eighteen million, one hundred twenty-four thousand, two hundred thirty-two".