444573967 has 4 divisors (see below), whose sum is σ = 444707640. Its totient is φ = 444440296.

The previous prime is 444573949. The next prime is 444573977. The reversal of 444573967 is 769375444.

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 444573967 - 2²⁷ = 310356239 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 444573967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444573937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61717 + ... + 68542.

It is an arithmetic number, because the mean of its divisors is an integer number (111176910).

Almost surely, 2^444573967 is an apocalyptic number.

444573967 is a deficient number, since it is larger than the sum of its proper divisors (133673).

444573967 is a wasteful number, since it uses less digits than its factorization.

444573967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133672.

The product of its digits is 2540160, while the sum is 49.

The square root of 444573967 is about 21084.9227411437. The cubic root of 444573967 is about 763.2169543257.

The spelling of 444573967 in words is "four hundred forty-four million, five hundred seventy-three thousand, nine hundred sixty-seven".