544989 has 8 divisors (see below), whose sum is σ = 730080. Its totient is φ = 361616.

The previous prime is 544979. The next prime is 545023. The reversal of 544989 is 989445.

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

It is a cyclic number.

It is not a de Polignac number, because 544989 - 2⁷ = 544861 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544919) 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, 934 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

2⁵⁴⁴⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

544989 is a deficient number, since it is larger than the sum of its proper divisors (185091).

544989 is a wasteful number, since it uses less digits than its factorization.

544989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its digits is 51840, while the sum is 39.

The square root of 544989 is about 738.2337028340. The cubic root of 544989 is about 81.6825421495.

The spelling of 544989 in words is "five hundred forty-four thousand, nine hundred eighty-nine".