18334328 has 16 divisors (see below), whose sum is σ = 34718760. Its totient is φ = 9076000.

The previous prime is 18334321. The next prime is 18334331. The reversal of 18334328 is 82343381.

It is a happy number.

It is a super-2 number, since 2×18334328² = 672295166423168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18334294 and 18334303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18334321) 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, 10538 + ... + 12153.

Almost surely, 2^18334328 is an apocalyptic number.

It is an amenable number.

18334328 is a deficient number, since it is larger than the sum of its proper divisors (16384432).

18334328 is a wasteful number, since it uses less digits than its factorization.

18334328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798 (or 22794 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 18334328 is about 4281.8603433554. The cubic root of 18334328 is about 263.6867650116.

The spelling of 18334328 in words is "eighteen million, three hundred thirty-four thousand, three hundred twenty-eight".