546979 has 4 divisors (see below), whose sum is σ = 550800. Its totient is φ = 543160.

The previous prime is 546977. The next prime is 547007. The reversal of 546979 is 979645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979645 = 5 ⋅195929.

It is a cyclic number.

It is not a de Polignac number, because 546979 - 2¹ = 546977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546977) 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, 1687 + ... + 1984.

It is an arithmetic number, because the mean of its divisors is an integer number (137700).

2⁵⁴⁶⁹⁷⁹ is an apocalyptic number.

546979 is a deficient number, since it is larger than the sum of its proper divisors (3821).

546979 is a wasteful number, since it uses less digits than its factorization.

546979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820.

The product of its digits is 68040, while the sum is 40.

The square root of 546979 is about 739.5802863787. The cubic root of 546979 is about 81.7818412874.

The spelling of 546979 in words is "five hundred forty-six thousand, nine hundred seventy-nine".