444404213 has 8 divisors (see below), whose sum is σ = 487243200. Its totient is φ = 401971680.

The previous prime is 444404203. The next prime is 444404231. The reversal of 444404213 is 312404444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444404213 - 2¹⁴ = 444387829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444404203) 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 7 ways as a sum of consecutive naturals, for example, 99320 + ... + 103697.

It is an arithmetic number, because the mean of its divisors is an integer number (60905400).

Almost surely, 2^444404213 is an apocalyptic number.

It is an amenable number.

444404213 is a deficient number, since it is larger than the sum of its proper divisors (42838987).

444404213 is a wasteful number, since it uses less digits than its factorization.

444404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203227.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 444404213 is about 21080.8968737101. The cubic root of 444404213 is about 763.1198009203.

Adding to 444404213 its reverse (312404444), we get a palindrome (756808657).

The spelling of 444404213 in words is "four hundred forty-four million, four hundred four thousand, two hundred thirteen".