444421199 has 4 divisors (see below), whose sum is σ = 445381536. Its totient is φ = 443460864.

The previous prime is 444421193. The next prime is 444421223. The reversal of 444421199 is 991124444.

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 444421199 - 2⁸ = 444420943 is a prime.

It is a super-3 number, since 3×444421199³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444421193) 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, 479474 + ... + 480399.

It is an arithmetic number, because the mean of its divisors is an integer number (111345384).

Almost surely, 2^444421199 is an apocalyptic number.

444421199 is a deficient number, since it is larger than the sum of its proper divisors (960337).

444421199 is an equidigital number, since it uses as much as digits as its factorization.

444421199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960336.

The product of its digits is 41472, while the sum is 38.

The square root of 444421199 is about 21081.2997464578. The cubic root of 444421199 is about 763.1295234413.

The spelling of 444421199 in words is "four hundred forty-four million, four hundred twenty-one thousand, one hundred ninety-nine".