542484 has 24 divisors (see below), whose sum is σ = 1406720. Its totient is φ = 180792.

The previous prime is 542483. The next prime is 542489. The reversal of 542484 is 484245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2404 + ... + 2619.

2⁵⁴²⁴⁸⁴ is an apocalyptic number.

542484 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

542484 is an abundant number, since it is smaller than the sum of its proper divisors (864236).

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

542484 is a wasteful number, since it uses less digits than its factorization.

542484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 5028 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 542484 is about 736.5351315450. The cubic root of 542484 is about 81.5572007391.

The spelling of 542484 in words is "five hundred forty-two thousand, four hundred eighty-four".