546381 has 12 divisors (see below), whose sum is σ = 861120. Its totient is φ = 331080.

The previous prime is 546373. The next prime is 546391. The reversal of 546381 is 183645.

It is not a de Polignac number, because 546381 - 2³ = 546373 is a prime.

It is a super-2 number, since 2×546381² = 597064394322, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546381.

It is not an unprimeable number, because it can be changed into a prime (546341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2661 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (71760).

2⁵⁴⁶³⁸¹ is an apocalyptic number.

It is an amenable number.

546381 is a deficient number, since it is larger than the sum of its proper divisors (314739).

546381 is a wasteful number, since it uses less digits than its factorization.

546381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536 (or 5533 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 546381 is about 739.1758924640. The cubic root of 546381 is about 81.7520269957.

The spelling of 546381 in words is "five hundred forty-six thousand, three hundred eighty-one".