441215867 has 4 divisors (see below), whose sum is σ = 448448976. Its totient is φ = 433982760.

The previous prime is 441215857. The next prime is 441215881. The reversal of 441215867 is 768512144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441215867 - 2⁴ = 441215851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441215867.

It is not an unprimeable number, because it can be changed into a prime (441215857) 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, 3616463 + ... + 3616584.

It is an arithmetic number, because the mean of its divisors is an integer number (112112244).

Almost surely, 2^441215867 is an apocalyptic number.

441215867 is a deficient number, since it is larger than the sum of its proper divisors (7233109).

441215867 is an equidigital number, since it uses as much as digits as its factorization.

441215867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233108.

The product of its digits is 53760, while the sum is 38.

The square root of 441215867 is about 21005.1390616677. The cubic root of 441215867 is about 761.2904363665.

The spelling of 441215867 in words is "four hundred forty-one million, two hundred fifteen thousand, eight hundred sixty-seven".