443428870 has 16 divisors (see below), whose sum is σ = 799295040. Its totient is φ = 177121984.

The previous prime is 443428861. The next prime is 443428877. The reversal of 443428870 is 78824344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443428877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23647 + ... + 38026.

It is an arithmetic number, because the mean of its divisors is an integer number (49955940).

Almost surely, 2^443428870 is an apocalyptic number.

443428870 is a deficient number, since it is larger than the sum of its proper divisors (355866170).

443428870 is a wasteful number, since it uses less digits than its factorization.

443428870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62399.

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 443428870 is about 21057.7508295639. The cubic root of 443428870 is about 762.5611137973.

It can be divided in two parts, 4 and 43428870, that multiplied together give a triangular number (173715480 = T₁₈₆₃₉).

The spelling of 443428870 in words is "four hundred forty-three million, four hundred twenty-eight thousand, eight hundred seventy".