18454828 has 12 divisors (see below), whose sum is σ = 36909712. Its totient is φ = 7909200.

The previous prime is 18454781. The next prime is 18454837. The reversal of 18454828 is 82845481.

18454828 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329523 + ... + 329578.

Almost surely, 2^18454828 is an apocalyptic number.

It is an amenable number.

18454828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18454828 is a wasteful number, since it uses less digits than its factorization.

18454828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659112 (or 659110 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 18454828 is about 4295.9082857994. The cubic root of 18454828 is about 264.2631864202.

The spelling of 18454828 in words is "eighteen million, four hundred fifty-four thousand, eight hundred twenty-eight".