444874385 has 8 divisors (see below), whose sum is σ = 534231936. Its totient is φ = 355644400.

The previous prime is 444874351. The next prime is 444874387. The reversal of 444874385 is 583478444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444874385 - 2²² = 440680081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444874387) 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 7 ways as a sum of consecutive naturals, for example, 24041 + ... + 38310.

It is an arithmetic number, because the mean of its divisors is an integer number (66778992).

Almost surely, 2^444874385 is an apocalyptic number.

It is an amenable number.

444874385 is a deficient number, since it is larger than the sum of its proper divisors (89357551).

444874385 is a wasteful number, since it uses less digits than its factorization.

444874385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63783.

The product of its digits is 1720320, while the sum is 47.

The square root of 444874385 is about 21092.0455385437. The cubic root of 444874385 is about 763.3888286005.

The spelling of 444874385 in words is "four hundred forty-four million, eight hundred seventy-four thousand, three hundred eighty-five".