546978 has 8 divisors (see below), whose sum is σ = 1093968. Its totient is φ = 182324.

The previous prime is 546977. The next prime is 547007. The reversal of 546978 is 879645.

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

546978 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (546977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45576 + ... + 45587.

It is an arithmetic number, because the mean of its divisors is an integer number (136746).

2⁵⁴⁶⁹⁷⁸ is an apocalyptic number.

546978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

546978 is a wasteful number, since it uses less digits than its factorization.

546978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91168.

The product of its digits is 60480, while the sum is 39.

The square root of 546978 is about 739.5796103193. The cubic root of 546978 is about 81.7817914489.

The spelling of 546978 in words is "five hundred forty-six thousand, nine hundred seventy-eight".