444904007 has 4 divisors (see below), whose sum is σ = 445196136. Its totient is φ = 444611880.

The previous prime is 444904001. The next prime is 444904013. The reversal of 444904007 is 700409444.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (444904001) and next prime (444904013).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444904007 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 (444904001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143768 + ... + 146829.

It is an arithmetic number, because the mean of its divisors is an integer number (111299034).

Almost surely, 2^444904007 is an apocalyptic number.

444904007 is a deficient number, since it is larger than the sum of its proper divisors (292129).

444904007 is a wasteful number, since it uses less digits than its factorization.

444904007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292128.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 444904007 is about 21092.7477347073. The cubic root of 444904007 is about 763.4057716619.

The spelling of 444904007 in words is "four hundred forty-four million, nine hundred four thousand, seven".