542832 has 40 divisors (see below), whose sum is σ = 1440384. Its totient is φ = 176064.

The previous prime is 542831. The next prime is 542837. The reversal of 542832 is 238245.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁵ + 4³ + 8 + 2 + 3¹² + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542831) 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, 1933 + ... + 2195.

2⁵⁴²⁸³² 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 542832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720192).

542832 is an abundant number, since it is smaller than the sum of its proper divisors (897552).

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

542832 is a wasteful number, since it uses less digits than its factorization.

542832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

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

The square root of 542832 is about 736.7713349473. The cubic root of 542832 is about 81.5746364847.

It can be divided in two parts, 54283 and 2, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 542832 in words is "five hundred forty-two thousand, eight hundred thirty-two".