18028524 has 24 divisors (see below), whose sum is σ = 43046080. Its totient is φ = 5869584.

The previous prime is 18028523. The next prime is 18028529. The reversal of 18028524 is 42582081.

It is a junction number, because it is equal to n+sod(n) for n = 18028491 and 18028500.

It is not an unprimeable number, because it can be changed into a prime (18028523) 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, 16954 + ... + 17985.

Almost surely, 2^18028524 is an apocalyptic number.

It is an amenable number.

18028524 is an abundant number, since it is smaller than the sum of its proper divisors (25017556).

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

18028524 is a wasteful number, since it uses less digits than its factorization.

18028524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34989 (or 34987 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18028524 is about 4246.0009420630. Note that the first 3 decimals coincide. The cubic root of 18028524 is about 262.2124997459.

The spelling of 18028524 in words is "eighteen million, twenty-eight thousand, five hundred twenty-four".