546989 has 8 divisors (see below), whose sum is σ = 568320. Its totient is φ = 526176.

The previous prime is 546977. The next prime is 547007. The reversal of 546989 is 989645.

546989 = 426² + 427² + 428².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546989 is a prime.

It is a super-2 number, since 2×546989² = 598393932242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4244 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (71040).

2⁵⁴⁶⁹⁸⁹ is an apocalyptic number.

546989 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

546989 is a deficient number, since it is larger than the sum of its proper divisors (21331).

546989 is a wasteful number, since it uses less digits than its factorization.

546989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its digits is 77760, while the sum is 41.

The square root of 546989 is about 739.5870469390. The cubic root of 546989 is about 81.7823396694.

The spelling of 546989 in words is "five hundred forty-six thousand, nine hundred eighty-nine".