18482728 has 16 divisors (see below), whose sum is σ = 37805760. Its totient is φ = 8401200.

The previous prime is 18482707. The next prime is 18482729. The reversal of 18482728 is 82728481.

It is a super-2 number, since 2×18482728² = 683222468643968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18482729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104928 + ... + 105103.

It is an arithmetic number, because the mean of its divisors is an integer number (2362860).

Almost surely, 2^18482728 is an apocalyptic number.

It is an amenable number.

18482728 is an abundant number, since it is smaller than the sum of its proper divisors (19323032).

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

18482728 is a wasteful number, since it uses less digits than its factorization.

18482728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210048 (or 210044 counting only the distinct ones).

The product of its digits is 57344, while the sum is 40.

The square root of 18482728 is about 4299.1543354478. The cubic root of 18482728 is about 264.3962903529.

The spelling of 18482728 in words is "eighteen million, four hundred eighty-two thousand, seven hundred twenty-eight".