18232828 has 6 divisors (see below), whose sum is σ = 31907456. Its totient is φ = 9116412.

The previous prime is 18232801. The next prime is 18232831. The reversal of 18232828 is 82823281.

It is a junction number, because it is equal to n+sod(n) for n = 18232793 and 18232802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279100 + ... + 2279107.

Almost surely, 2^18232828 is an apocalyptic number.

It is an amenable number.

18232828 is a deficient number, since it is larger than the sum of its proper divisors (13674628).

18232828 is a wasteful number, since it uses less digits than its factorization.

18232828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558211 (or 4558209 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 18232828 is about 4269.9915690783. The cubic root of 18232828 is about 263.1992687593.

The spelling of 18232828 in words is "eighteen million, two hundred thirty-two thousand, eight hundred twenty-eight".