544649 has 8 divisors (see below), whose sum is σ = 644160. Its totient is φ = 450576.

The previous prime is 544631. The next prime is 544651. The reversal of 544649 is 946445.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-544649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (544699) 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, 1139 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (80520).

2⁵⁴⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

544649 is a deficient number, since it is larger than the sum of its proper divisors (99511).

544649 is a wasteful number, since it uses less digits than its factorization.

544649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its digits is 17280, while the sum is 32.

The square root of 544649 is about 738.0033875261. The cubic root of 544649 is about 81.6655523010.

The spelling of 544649 in words is "five hundred forty-four thousand, six hundred forty-nine".