445006817 has 4 divisors (see below), whose sum is σ = 445436160. Its totient is φ = 444577476.

The previous prime is 445006777. The next prime is 445006823. The reversal of 445006817 is 718600544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445006817 - 2⁶ = 445006753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445006897) 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, 213113 + ... + 215190.

It is an arithmetic number, because the mean of its divisors is an integer number (111359040).

Almost surely, 2^445006817 is an apocalyptic number.

It is an amenable number.

445006817 is a deficient number, since it is larger than the sum of its proper divisors (429343).

445006817 is a wasteful number, since it uses less digits than its factorization.

445006817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429342.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 445006817 is about 21095.1846875063. The cubic root of 445006817 is about 763.4645706397.

The spelling of 445006817 in words is "four hundred forty-five million, six thousand, eight hundred seventeen".