443395428 has 48 divisors (see below), whose sum is σ = 1251944064. Its totient is φ = 119232000.

The previous prime is 443395423. The next prime is 443395441. The reversal of 443395428 is 824593344.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 443395428.

It is not an unprimeable number, because it can be changed into a prime (443395423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153823 + ... + 156678.

It is an arithmetic number, because the mean of its divisors is an integer number (26082168).

Almost surely, 2^443395428 is an apocalyptic number.

It is an amenable number.

443395428 is an abundant number, since it is smaller than the sum of its proper divisors (808548636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443395428 is a wasteful number, since it uses less digits than its factorization.

443395428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310532 (or 310530 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 443395428 is about 21056.9567601779. The cubic root of 443395428 is about 762.5419433346.

The spelling of 443395428 in words is "four hundred forty-three million, three hundred ninety-five thousand, four hundred twenty-eight".