244728 has 64 divisors (see below), whose sum is σ = 748800. Its totient is φ = 73440.

The previous prime is 244721. The next prime is 244733. The reversal of 244728 is 827442.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244721) by changing a digit.

244728 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2325 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (11700).

2²⁴⁴⁷²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374400).

244728 is an abundant number, since it is smaller than the sum of its proper divisors (504072).

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

244728 is a wasteful number, since it uses less digits than its factorization.

244728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 244728 is about 494.6999090358. The cubic root of 244728 is about 62.5500825238.

The spelling of 244728 in words is "two hundred forty-four thousand, seven hundred twenty-eight".