543390 has 32 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 141984.

The previous prime is 543383. The next prime is 543407. The reversal of 543390 is 93345.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 543390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617 + ... + 1923.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁵⁴³³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665280).

543390 is an abundant number, since it is smaller than the sum of its proper divisors (787170).

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

543390 is a wasteful number, since it uses less digits than its factorization.

543390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 543390 is about 737.1499169097. The cubic root of 543390 is about 81.6025782538.

The spelling of 543390 in words is "five hundred forty-three thousand, three hundred ninety".