443493944 has 16 divisors (see below), whose sum is σ = 831789600. Its totient is φ = 221683392.

The previous prime is 443493917. The next prime is 443493949. The reversal of 443493944 is 449394344.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 443493895 and 443493904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443493949) 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, 35972 + ... + 46700.

It is an arithmetic number, because the mean of its divisors is an integer number (51986850).

Almost surely, 2^443493944 is an apocalyptic number.

It is an amenable number.

443493944 is a deficient number, since it is larger than the sum of its proper divisors (388295656).

443493944 is a wasteful number, since it uses less digits than its factorization.

443493944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902 (or 15898 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The square root of 443493944 is about 21059.2959046593. The cubic root of 443493944 is about 762.5984143868.

The spelling of 443493944 in words is "four hundred forty-three million, four hundred ninety-three thousand, nine hundred forty-four".