244621 has 8 divisors (see below), whose sum is σ = 272384. Its totient is φ = 218160.

The previous prime is 244619. The next prime is 244633. The reversal of 244621 is 126442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244621 - 2¹ = 244619 is a prime.

It is a Duffinian number.

244621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (34048).

2²⁴⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

244621 is a deficient number, since it is larger than the sum of its proper divisors (27763).

244621 is a wasteful number, since it uses less digits than its factorization.

244621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its digits is 384, while the sum is 19.

The square root of 244621 is about 494.5917508410. The cubic root of 244621 is about 62.5409651438.

The spelling of 244621 in words is "two hundred forty-four thousand, six hundred twenty-one".