543972 has 48 divisors (see below), whose sum is σ = 1495872. Its totient is φ = 151680.

The previous prime is 543971. The next prime is 543997. The reversal of 543972 is 279345.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543972.

It is not an unprimeable number, because it can be changed into a prime (543971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (31164).

2⁵⁴³⁹⁷² is an apocalyptic number.

543972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747936).

543972 is an abundant number, since it is smaller than the sum of its proper divisors (951900).

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

543972 is a wasteful number, since it uses less digits than its factorization.

543972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 346 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 543972 is about 737.5445749241. The cubic root of 543972 is about 81.6317014464.

The spelling of 543972 in words is "five hundred forty-three thousand, nine hundred seventy-two".