18414232 has 8 divisors (see below), whose sum is σ = 34526700. Its totient is φ = 9207112.

The previous prime is 18414229. The next prime is 18414239. The reversal of 18414232 is 23241481.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 18414197 and 18414206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18414239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150882 + ... + 1150897.

Almost surely, 2^18414232 is an apocalyptic number.

It is an amenable number.

18414232 is a deficient number, since it is larger than the sum of its proper divisors (16112468).

18414232 is a wasteful number, since it uses less digits than its factorization.

18414232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301785 (or 2301781 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 18414232 is about 4291.1807232975. The cubic root of 18414232 is about 264.0692732201.

The spelling of 18414232 in words is "eighteen million, four hundred fourteen thousand, two hundred thirty-two".