18150328 has 16 divisors (see below), whose sum is σ = 38893680. Its totient is φ = 7778688.

The previous prime is 18150323. The next prime is 18150359. The reversal of 18150328 is 82305181.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 18150296 and 18150305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18150323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162001 + ... + 162112.

It is an arithmetic number, because the mean of its divisors is an integer number (2430855).

Almost surely, 2^18150328 is an apocalyptic number.

It is an amenable number.

18150328 is an abundant number, since it is smaller than the sum of its proper divisors (20743352).

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

18150328 is a wasteful number, since it uses less digits than its factorization.

18150328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324126 (or 324122 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 18150328 is about 4260.3201757614. The cubic root of 18150328 is about 262.8016933402.

The spelling of 18150328 in words is "eighteen million, one hundred fifty thousand, three hundred twenty-eight".