540828 has 36 divisors (see below), whose sum is σ = 1391208. Its totient is φ = 177120.

The previous prime is 540823. The next prime is 540851. The reversal of 540828 is 828045.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540823) by changing a digit.

540828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2898 + ... + 3078.

2⁵⁴⁰⁸²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695604).

540828 is an abundant number, since it is smaller than the sum of its proper divisors (850380).

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

540828 is a wasteful number, since it uses less digits than its factorization.

540828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 540828 is about 735.4100896779. The cubic root of 540828 is about 81.4741283131.

The spelling of 540828 in words is "five hundred forty thousand, eight hundred twenty-eight".