18328052 has 12 divisors (see below), whose sum is σ = 32241636. Its totient is φ = 9116160.

The previous prime is 18328049. The next prime is 18328067. The reversal of 18328052 is 25082381.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 5180176 = 3626^2 + 2276^2 .

It is a super-2 number, since 2×18328052² = 671834980229408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11099 + ... + 12642.

It is an arithmetic number, because the mean of its divisors is an integer number (2686803).

Almost surely, 2^18328052 is an apocalyptic number.

It is an amenable number.

18328052 is a deficient number, since it is larger than the sum of its proper divisors (13913584).

18328052 is a wasteful number, since it uses less digits than its factorization.

18328052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938 (or 23936 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18328052 is about 4281.1274216029. The cubic root of 18328052 is about 263.6566741532.

The spelling of 18328052 in words is "eighteen million, three hundred twenty-eight thousand, fifty-two".