18475828 has 24 divisors (see below), whose sum is σ = 38897600. Its totient is φ = 7501248.

The previous prime is 18475823. The next prime is 18475837. The reversal of 18475828 is 82857481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18475823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16833 + ... + 17896.

Almost surely, 2^18475828 is an apocalyptic number.

It is an amenable number.

18475828 is an abundant number, since it is smaller than the sum of its proper divisors (20421772).

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

18475828 is a wasteful number, since it uses less digits than its factorization.

18475828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34759 (or 34757 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 18475828 is about 4298.3517771350. The cubic root of 18475828 is about 264.3633846499.

The spelling of 18475828 in words is "eighteen million, four hundred seventy-five thousand, eight hundred twenty-eight".