18134328 has 16 divisors (see below), whose sum is σ = 45335880. Its totient is φ = 6044768.

The previous prime is 18134317. The next prime is 18134351. The reversal of 18134328 is 82343181.

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 = 18134295 and 18134304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377775 + ... + 377822.

Almost surely, 2^18134328 is an apocalyptic number.

It is an amenable number.

18134328 is an abundant number, since it is smaller than the sum of its proper divisors (27201552).

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

18134328 is a wasteful number, since it uses less digits than its factorization.

18134328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755606 (or 755602 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 18134328 is about 4258.4419686078. The cubic root of 18134328 is about 262.7244483954.

The spelling of 18134328 in words is "eighteen million, one hundred thirty-four thousand, three hundred twenty-eight".