542328 has 32 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 177248.

The previous prime is 542323. The next prime is 542371. The reversal of 542328 is 823245.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 542298 and 542307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁵⁴²³²⁸ 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 542328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691200).

542328 is an abundant number, since it is smaller than the sum of its proper divisors (840072).

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

542328 is a wasteful number, since it uses less digits than its factorization.

542328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 447 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 542328 is about 736.4292226684. The cubic root of 542328 is about 81.5493822946.

The spelling of 542328 in words is "five hundred forty-two thousand, three hundred twenty-eight".