544693 has 4 divisors (see below), whose sum is σ = 550188. Its totient is φ = 539200.

The previous prime is 544667. The next prime is 544699. The reversal of 544693 is 396445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 521284 + 23409 = 722^2 + 153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544693 is a prime.

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, 2596 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (137547).

2⁵⁴⁴⁶⁹³ is an apocalyptic number.

It is an amenable number.

544693 is a deficient number, since it is larger than the sum of its proper divisors (5495).

544693 is a wasteful number, since it uses less digits than its factorization.

544693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494.

The product of its digits is 12960, while the sum is 31.

The square root of 544693 is about 738.0331970853. The cubic root of 544693 is about 81.6677513855.

The spelling of 544693 in words is "five hundred forty-four thousand, six hundred ninety-three".