84443982 has 16 divisors (see below), whose sum is σ = 193014912. Its totient is φ = 24126840.

The previous prime is 84443977. The next prime is 84443987. The reversal of 84443982 is 28934448.

It is an interprime number because it is at equal distance from previous prime (84443977) and next prime (84443987).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2010571 = 84443982 / (8 + 4 + 4 + 4 + 3 + 9 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84443987) 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, 1005244 + ... + 1005327.

It is an arithmetic number, because the mean of its divisors is an integer number (12063432).

Almost surely, 2^84443982 is an apocalyptic number.

84443982 is an abundant number, since it is smaller than the sum of its proper divisors (108570930).

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

84443982 is a wasteful number, since it uses less digits than its factorization.

84443982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010583.

The product of its digits is 221184, while the sum is 42.

The square root of 84443982 is about 9189.3406727578. The cubic root of 84443982 is about 438.7221568195.

The spelling of 84443982 in words is "eighty-four million, four hundred forty-three thousand, nine hundred eighty-two".