180828 has 18 divisors (see below), whose sum is σ = 457184. Its totient is φ = 60264.

The previous prime is 180811. The next prime is 180847. The reversal of 180828 is 828081.

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2476 + ... + 2547.

2¹⁸⁰⁸²⁸ is an apocalyptic number.

180828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

180828 is an abundant number, since it is smaller than the sum of its proper divisors (276356).

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

180828 is a wasteful number, since it uses less digits than its factorization.

180828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 180828 is about 425.2387564651. The cubic root of 180828 is about 56.5486046369.

The spelling of 180828 in words is "one hundred eighty thousand, eight hundred twenty-eight".