443439994 has 8 divisors (see below), whose sum is σ = 680628960. Its totient is φ = 216563676.

The previous prime is 443439991. The next prime is 443440003. The reversal of 443439994 is 499934344.

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

It is not an unprimeable number, because it can be changed into a prime (443439991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578054 + ... + 2578225.

It is an arithmetic number, because the mean of its divisors is an integer number (85078620).

Almost surely, 2^443439994 is an apocalyptic number.

443439994 is a deficient number, since it is larger than the sum of its proper divisors (237188966).

443439994 is a wasteful number, since it uses less digits than its factorization.

443439994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156324.

The product of its digits is 1679616, while the sum is 49.

The square root of 443439994 is about 21058.0149586802. The cubic root of 443439994 is about 762.5674903622.

The spelling of 443439994 in words is "four hundred forty-three million, four hundred thirty-nine thousand, nine hundred ninety-four".