543399 has 8 divisors (see below), whose sum is σ = 748032. Its totient is φ = 350520.

The previous prime is 543383. The next prime is 543407. The reversal of 543399 is 993345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 543399 - 2⁴ = 543383 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 4 + 3⁷ + 3¹² + 9² + 9⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543349) 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, 2829 + ... + 3014.

It is an arithmetic number, because the mean of its divisors is an integer number (93504).

2⁵⁴³³⁹⁹ is an apocalyptic number.

543399 is a deficient number, since it is larger than the sum of its proper divisors (204633).

543399 is a wasteful number, since it uses less digits than its factorization.

543399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its digits is 14580, while the sum is 33.

The square root of 543399 is about 737.1560214771. The cubic root of 543399 is about 81.6030287707.

The spelling of 543399 in words is "five hundred forty-three thousand, three hundred ninety-nine".