544491 has 12 divisors (see below), whose sum is σ = 795600. Its totient is φ = 358800.

The previous prime is 544487. The next prime is 544501. The reversal of 544491 is 194445.

It is not a de Polignac number, because 544491 - 2² = 544487 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (544451) 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 11 ways as a sum of consecutive naturals, for example, 610 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (66300).

2⁵⁴⁴⁴⁹¹ is an apocalyptic number.

544491 is a deficient number, since it is larger than the sum of its proper divisors (251109).

544491 is a wasteful number, since it uses less digits than its factorization.

544491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 703 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 544491 is about 737.8963341825. The cubic root of 544491 is about 81.6576546120.

It can be divided in two parts, 544 and 491, that added together give a triangular number (1035 = T₄₅).

The spelling of 544491 in words is "five hundred forty-four thousand, four hundred ninety-one".