18329828 has 24 divisors (see below), whose sum is σ = 35101920. Its totient is φ = 8305920.

The previous prime is 18329809. The next prime is 18329833. The reversal of 18329828 is 82892381.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26900 + ... + 27572.

It is an arithmetic number, because the mean of its divisors is an integer number (1462580).

Almost surely, 2^18329828 is an apocalyptic number.

It is an amenable number.

18329828 is a deficient number, since it is larger than the sum of its proper divisors (16772092).

18329828 is a wasteful number, since it uses less digits than its factorization.

18329828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 18329828 is about 4281.3348385755. The cubic root of 18329828 is about 263.6651900451.

The spelling of 18329828 in words is "eighteen million, three hundred twenty-nine thousand, eight hundred twenty-eight".