244620 has 60 divisors (see below), whose sum is σ = 772464. Its totient is φ = 64800.

The previous prime is 244619. The next prime is 244633. The reversal of 244620 is 26442.

244620 is a `hidden beast` number, since 2 + 44 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 244593 and 244602.

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 19 ways as a sum of consecutive naturals, for example, 1545 + ... + 1695.

2²⁴⁴⁶²⁰ is an apocalyptic number.

244620 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 244620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386232).

244620 is an abundant number, since it is smaller than the sum of its proper divisors (527844).

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

244620 is a wasteful number, since it uses less digits than its factorization.

244620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 244620 is about 494.5907399052. The cubic root of 244620 is about 62.5408799221.

The spelling of 244620 in words is "two hundred forty-four thousand, six hundred twenty".