441830861 has 4 divisors (see below), whose sum is σ = 441875424. Its totient is φ = 441786300.

The previous prime is 441830849. The next prime is 441830887. The reversal of 441830861 is 168038144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 441830861 - 2⁶ = 441830797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441830261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 29726.

It is an arithmetic number, because the mean of its divisors is an integer number (110468856).

Almost surely, 2^441830861 is an apocalyptic number.

It is an amenable number.

441830861 is a deficient number, since it is larger than the sum of its proper divisors (44563).

441830861 is a wasteful number, since it uses less digits than its factorization.

441830861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44562.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 441830861 is about 21019.7730958257. The cubic root of 441830861 is about 761.6439834044.

The spelling of 441830861 in words is "four hundred forty-one million, eight hundred thirty thousand, eight hundred sixty-one".