244720 has 80 divisors (see below), whose sum is σ = 714240. Its totient is φ = 76032.

The previous prime is 244711. The next prime is 244721. The reversal of 244720 is 27442.

244720 = 9³ + 10³ + ... + 31³.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (19).

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.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10629 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (8928).

2²⁴⁴⁷²⁰ is an apocalyptic number.

244720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357120).

244720 is an abundant number, since it is smaller than the sum of its proper divisors (469520).

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

244720 is a wasteful number, since it uses less digits than its factorization.

244720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 244720 is about 494.6918232597. The cubic root of 244720 is about 62.5494009425.

244720 divided by its sum of digits (19) gives a triangular number (12880 = T₁₆₀).

The spelling of 244720 in words is "two hundred forty-four thousand, seven hundred twenty", and thus it is an iban number.