544679 has 4 divisors (see below), whose sum is σ = 546576. Its totient is φ = 542784.

The previous prime is 544667. The next prime is 544699. The reversal of 544679 is 976445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544679 is a prime.

It is a d-powerful number, because it can be written as 5³ + 4³ + 6⁷ + 4⁹ + 7⁴ + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (136644).

2⁵⁴⁴⁶⁷⁹ is an apocalyptic number.

544679 is a deficient number, since it is larger than the sum of its proper divisors (1897).

544679 is a wasteful number, since it uses less digits than its factorization.

544679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its digits is 30240, while the sum is 35.

The square root of 544679 is about 738.0237123562. The cubic root of 544679 is about 81.6670516896.

Subtracting from 544679 its sum of digits (35), we obtain a square (544644 = 738²).

The spelling of 544679 in words is "five hundred forty-four thousand, six hundred seventy-nine".