244920 has 64 divisors (see below), whose sum is σ = 796320. Its totient is φ = 59904.

The previous prime is 244901. The next prime is 244939. The reversal of 244920 is 29442.

244920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (244901) and next prime (244939).

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482 + ... + 1638.

2²⁴⁴⁹²⁰ is an apocalyptic number.

244920 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 244920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398160).

244920 is an abundant number, since it is smaller than the sum of its proper divisors (551400).

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

244920 is a wasteful number, since it uses less digits than its factorization.

244920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 244920 is about 494.8939280290. The cubic root of 244920 is about 62.5664360217.

The spelling of 244920 in words is "two hundred forty-four thousand, nine hundred twenty".