544869 has 12 divisors (see below), whose sum is σ = 847756. Its totient is φ = 335232.

The previous prime is 544861. The next prime is 544877. The reversal of 544869 is 968445.

It is an interprime number because it is at equal distance from previous prime (544861) and next prime (544877).

It can be written as a sum of positive squares in 2 ways, for example, as 72900 + 471969 = 270^2 + 687^2 .

It is not a de Polignac number, because 544869 - 2³ = 544861 is a prime.

It is a super-2 number, since 2×544869² = 593764454322, which contains 22 as substring.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2212 + ... + 2445.

2⁵⁴⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

544869 is a deficient number, since it is larger than the sum of its proper divisors (302887).

544869 is a wasteful number, since it uses less digits than its factorization.

544869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676 (or 4673 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 544869 is about 738.1524232840. The cubic root of 544869 is about 81.6765465394.

The spelling of 544869 in words is "five hundred forty-four thousand, eight hundred sixty-nine".