542828 has 36 divisors (see below), whose sum is σ = 1137528. Its totient is φ = 224640.

The previous prime is 542821. The next prime is 542831. The reversal of 542828 is 828245.

It is a self number, because there is not a number n which added to its sum of digits gives 542828.

It is not an unprimeable number, because it can be changed into a prime (542821) by changing a digit.

542828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7400 + ... + 7472.

It is an arithmetic number, because the mean of its divisors is an integer number (31598).

2⁵⁴²⁸²⁸ is an apocalyptic number.

It is an amenable number.

542828 is an abundant number, since it is smaller than the sum of its proper divisors (594700).

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

542828 is a wasteful number, since it uses less digits than its factorization.

542828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 99 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 542828 is about 736.7686203958. The cubic root of 542828 is about 81.5744361162.

It can be divided in two parts, 54 and 2828, that added together give a palindrome (2882).

The spelling of 542828 in words is "five hundred forty-two thousand, eight hundred twenty-eight".