546439 has 4 divisors (see below), whose sum is σ = 549640. Its totient is φ = 543240.

The previous prime is 546391. The next prime is 546461. The reversal of 546439 is 934645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 546439 - 2¹³ = 538247 is a prime.

It is a super-4 number, since 4×546439⁴ (a number of 24 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (137410).

2⁵⁴⁶⁴³⁹ is an apocalyptic number.

546439 is a deficient number, since it is larger than the sum of its proper divisors (3201).

546439 is a wasteful number, since it uses less digits than its factorization.

546439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its digits is 12960, while the sum is 31.

The square root of 546439 is about 739.2151243042. The cubic root of 546439 is about 81.7549196352.

The spelling of 546439 in words is "five hundred forty-six thousand, four hundred thirty-nine".