84437982 has 48 divisors (see below), whose sum is σ = 188897280. Its totient is φ = 27243216.

The previous prime is 84437981. The next prime is 84437999. The reversal of 84437982 is 28973448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84437981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97869 + ... + 98727.

It is an arithmetic number, because the mean of its divisors is an integer number (3935360).

Almost surely, 2^84437982 is an apocalyptic number.

84437982 is an abundant number, since it is smaller than the sum of its proper divisors (104459298).

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

84437982 is a wasteful number, since it uses less digits than its factorization.

84437982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1034 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 84437982 is about 9189.0142017520. The cubic root of 84437982 is about 438.7117657285.

The spelling of 84437982 in words is "eighty-four million, four hundred thirty-seven thousand, nine hundred eighty-two".