544420 has 24 divisors (see below), whose sum is σ = 1157184. Its totient is φ = 215136.

The previous prime is 544403. The next prime is 544429. The reversal of 544420 is 24445.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (544429) by changing a digit.

544420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3177 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (48216).

2⁵⁴⁴⁴²⁰ is an apocalyptic number.

It is an amenable number.

544420 is an abundant number, since it is smaller than the sum of its proper divisors (612764).

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

544420 is a wasteful number, since it uses less digits than its factorization.

544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 544420 is about 737.8482228751. The cubic root of 544420 is about 81.6541051530.

Adding to 544420 its reverse (24445), we get a palindrome (568865).

The spelling of 544420 in words is "five hundred forty-four thousand, four hundred twenty".