441624 has 16 divisors (see below), whose sum is σ = 1104120. Its totient is φ = 147200.

The previous prime is 441619. The next prime is 441631. The reversal of 441624 is 426144.

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 441624.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 441624.

It is an unprimeable number.

441624 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9177 + ... + 9224.

2⁴⁴¹⁶²⁴ is an apocalyptic number.

It is an amenable number.

441624 is an abundant number, since it is smaller than the sum of its proper divisors (662496).

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

441624 is a wasteful number, since it uses less digits than its factorization.

441624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18410 (or 18406 counting only the distinct ones).

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

The square root of 441624 is about 664.5479666661. The cubic root of 441624 is about 76.1525100030.

Adding to 441624 its reverse (426144), we get a palindrome (867768).

The spelling of 441624 in words is "four hundred forty-one thousand, six hundred twenty-four".