443140385 has 8 divisors (see below), whose sum is σ = 532052736. Its totient is φ = 354322800.

The previous prime is 443140331. The next prime is 443140391. The reversal of 443140385 is 583041344.

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

It is not a de Polignac number, because 443140385 - 2⁸ = 443140129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 12959 + ... + 32468.

It is an arithmetic number, because the mean of its divisors is an integer number (66506592).

Almost surely, 2^443140385 is an apocalyptic number.

It is an amenable number.

443140385 is a deficient number, since it is larger than the sum of its proper divisors (88912351).

443140385 is a wasteful number, since it uses less digits than its factorization.

443140385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47383.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 443140385 is about 21050.8998620011. The cubic root of 443140385 is about 762.3957094665.

The spelling of 443140385 in words is "four hundred forty-three million, one hundred forty thousand, three hundred eighty-five".