444484887 has 64 divisors (see below), whose sum is σ = 756940800. Its totient is φ = 225348480.

The previous prime is 444484883. The next prime is 444484891. The reversal of 444484887 is 788484444.

It is an interprime number because it is at equal distance from previous prime (444484883) and next prime (444484891).

It is not a de Polignac number, because 444484887 - 2² = 444484883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444484883) 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 63 ways as a sum of consecutive naturals, for example, 3197664 + ... + 3197802.

It is an arithmetic number, because the mean of its divisors is an integer number (11827200).

Almost surely, 2^444484887 is an apocalyptic number.

444484887 is a deficient number, since it is larger than the sum of its proper divisors (312455913).

444484887 is a wasteful number, since it uses less digits than its factorization.

444484887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 3670016, while the sum is 51.

The square root of 444484887 is about 21082.8102253945. The cubic root of 444484887 is about 763.1659752515.

The spelling of 444484887 in words is "four hundred forty-four million, four hundred eighty-four thousand, eight hundred eighty-seven".