544780 has 12 divisors (see below), whose sum is σ = 1144080. Its totient is φ = 217904.

The previous prime is 544771. The next prime is 544781. The reversal of 544780 is 87445.

It is not an unprimeable number, because it can be changed into a prime (544781) by changing a digit.

544780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 13600 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (95340).

2⁵⁴⁴⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

544780 is an abundant number, since it is smaller than the sum of its proper divisors (599300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544780 is a wasteful number, since it uses less digits than its factorization.

544780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27248 (or 27246 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 544780 is about 738.0921351701. The cubic root of 544780 is about 81.6720992267.

The spelling of 544780 in words is "five hundred forty-four thousand, seven hundred eighty".