18532028 has 12 divisors (see below), whose sum is σ = 32531352. Its totient is φ = 9237360.

The previous prime is 18532027. The next prime is 18532037. The reversal of 18532028 is 82023581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18532027) 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 3 ways as a sum of consecutive naturals, for example, 5675 + ... + 8322.

It is an arithmetic number, because the mean of its divisors is an integer number (2710946).

Almost surely, 2^18532028 is an apocalyptic number.

It is an amenable number.

18532028 is a deficient number, since it is larger than the sum of its proper divisors (13999324).

18532028 is a wasteful number, since it uses less digits than its factorization.

18532028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14332 (or 14330 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18532028 is about 4304.8842028561. The cubic root of 18532028 is about 264.6311612520.

The spelling of 18532028 in words is "eighteen million, five hundred thirty-two thousand, twenty-eight".