18328152 has 16 divisors (see below), whose sum is σ = 45820440. Its totient is φ = 6109376.

The previous prime is 18328151. The next prime is 18328157. The reversal of 18328152 is 25182381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18328151) 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, 381813 + ... + 381860.

Almost surely, 2^18328152 is an apocalyptic number.

18328152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18328152 is an abundant number, since it is smaller than the sum of its proper divisors (27492288).

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

18328152 is a wasteful number, since it uses less digits than its factorization.

18328152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763682 (or 763678 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 18328152 is about 4281.1391007534. The cubic root of 18328152 is about 263.6571536662.

The spelling of 18328152 in words is "eighteen million, three hundred twenty-eight thousand, one hundred fifty-two".