80984 has 16 divisors (see below), whose sum is σ = 155520. Its totient is φ = 39520.

The previous prime is 80963. The next prime is 80989. The reversal of 80984 is 48908.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 80984.

It is not an unprimeable number, because it can be changed into a prime (80989) 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, 329 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁸⁰⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

80984 is a deficient number, since it is larger than the sum of its proper divisors (74536).

80984 is a wasteful number, since it uses less digits than its factorization.

80984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80984 is about 284.5768788922. The cubic root of 80984 is about 43.2646380336.

The spelling of 80984 in words is "eighty thousand, nine hundred eighty-four".