544447 has 4 divisors (see below), whose sum is σ = 546120. Its totient is φ = 542776.

The previous prime is 544429. The next prime is 544451. The reversal of 544447 is 744445.

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-544447 is a prime.

It is a pancake number, because a pancake can be divided into 544447 parts by 1043 straight cuts.

It is a Duffinian number.

544447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (136530).

2⁵⁴⁴⁴⁴⁷ is an apocalyptic number.

544447 is a deficient number, since it is larger than the sum of its proper divisors (1673).

544447 is a wasteful number, since it uses less digits than its factorization.

544447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672.

The product of its digits is 8960, while the sum is 28.

The square root of 544447 is about 737.8665190941. The cubic root of 544447 is about 81.6554549836.

The spelling of 544447 in words is "five hundred forty-four thousand, four hundred forty-seven".