544778 has 16 divisors (see below), whose sum is σ = 919296. Its totient is φ = 240240.

The previous prime is 544771. The next prime is 544781. The reversal of 544778 is 877445.

It is a happy number.

544778 is nontrivially palindromic in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (544771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2⁵⁴⁴⁷⁷⁸ is an apocalyptic number.

544778 is a deficient number, since it is larger than the sum of its proper divisors (374518).

544778 is a wasteful number, since it uses less digits than its factorization.

544778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its digits is 31360, while the sum is 35.

The square root of 544778 is about 738.0907803245. The cubic root of 544778 is about 81.6719992816.

The spelling of 544778 in words is "five hundred forty-four thousand, seven hundred seventy-eight".