18325628 has 24 divisors (see below), whose sum is σ = 32895072. Its totient is φ = 8930304.

The previous prime is 18325627. The next prime is 18325631. The reversal of 18325628 is 82652381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18325627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28001 + ... + 28647.

It is an arithmetic number, because the mean of its divisors is an integer number (1370628).

Almost surely, 2^18325628 is an apocalyptic number.

It is an amenable number.

18325628 is a deficient number, since it is larger than the sum of its proper divisors (14569444).

18325628 is a wasteful number, since it uses less digits than its factorization.

18325628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 819 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 18325628 is about 4280.8443092455. The cubic root of 18325628 is about 263.6450502236.

The spelling of 18325628 in words is "eighteen million, three hundred twenty-five thousand, six hundred twenty-eight".