241644 has 24 divisors (see below), whose sum is σ = 607600. Its totient is φ = 74304.

The previous prime is 241643. The next prime is 241651. The reversal of 241644 is 446142.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 241644.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 241644.

It is not an unprimeable number, because it can be changed into a prime (241643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 619 + ... + 930.

2²⁴¹⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

241644 is an abundant number, since it is smaller than the sum of its proper divisors (365956).

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

241644 is a wasteful number, since it uses less digits than its factorization.

241644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1567 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 241644 is about 491.5729854254. The cubic root of 241644 is about 62.2862242995.

Adding to 241644 its reverse (446142), we get a palindrome (687786).

The spelling of 241644 in words is "two hundred forty-one thousand, six hundred forty-four".