444021334 has 12 divisors (see below), whose sum is σ = 707515884. Its totient is φ = 208950944.

The previous prime is 444021323. The next prime is 444021373. The reversal of 444021334 is 433120444.

It is a junction number, because it is equal to n+sod(n) for n = 444021299 and 444021308.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 383524 + ... + 384679.

It is an arithmetic number, because the mean of its divisors is an integer number (58959657).

Almost surely, 2^444021334 is an apocalyptic number.

444021334 is a deficient number, since it is larger than the sum of its proper divisors (263494550).

444021334 is a wasteful number, since it uses less digits than its factorization.

444021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768239 (or 768222 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 444021334 is about 21071.8137330416. The cubic root of 444021334 is about 762.9005812037.

Adding to 444021334 its reverse (433120444), we get a palindrome (877141778).

The spelling of 444021334 in words is "four hundred forty-four million, twenty-one thousand, three hundred thirty-four".