18275028 has 24 divisors (see below), whose sum is σ = 42893088. Its totient is φ = 6055776.

The previous prime is 18275021. The next prime is 18275029. The reversal of 18275028 is 82057281.

It is a self number, because there is not a number n which added to its sum of digits gives 18275028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18275021) 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 7 ways as a sum of consecutive naturals, for example, 2326 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (1787212).

Almost surely, 2^18275028 is an apocalyptic number.

It is an amenable number.

18275028 is an abundant number, since it is smaller than the sum of its proper divisors (24618060).

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

18275028 is a wasteful number, since it uses less digits than its factorization.

18275028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983 (or 8981 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 18275028 is about 4274.9301748684. The cubic root of 18275028 is about 263.4021711115.

The spelling of 18275028 in words is "eighteen million, two hundred seventy-five thousand, twenty-eight".