444001326 has 16 divisors (see below), whose sum is σ = 892910928. Its totient is φ = 147182400.

The previous prime is 444001321. The next prime is 444001333. The reversal of 444001326 is 623100444.

It is a junction number, because it is equal to n+sod(n) for n = 444001296 and 444001305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444001321) 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, 203335 + ... + 205506.

It is an arithmetic number, because the mean of its divisors is an integer number (55806933).

Almost surely, 2^444001326 is an apocalyptic number.

444001326 is an abundant number, since it is smaller than the sum of its proper divisors (448909602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444001326 is a wasteful number, since it uses less digits than its factorization.

444001326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409027.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 444001326 is about 21071.3389702695. The cubic root of 444001326 is about 762.8891220365.

The spelling of 444001326 in words is "four hundred forty-four million, one thousand, three hundred twenty-six".