546405 has 16 divisors (see below), whose sum is σ = 888000. Its totient is φ = 286848.

The previous prime is 546391. The next prime is 546461. The reversal of 546405 is 504645.

It is not a de Polignac number, because 546405 - 2⁵ = 546373 is a prime.

546405 is a lucky number.

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, 846 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (55500).

2⁵⁴⁶⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

546405 is a deficient number, since it is larger than the sum of its proper divisors (341595).

546405 is a wasteful number, since it uses less digits than its factorization.

546405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 546405 is about 739.1921265814. The cubic root of 546405 is about 81.7532239748.

It can be divided in two parts, 54640 and 5, that added together give a palindrome (54645).

The spelling of 546405 in words is "five hundred forty-six thousand, four hundred five".