84808 has 8 divisors (see below), whose sum is σ = 159030. Its totient is φ = 42400.

The previous prime is 84793. The next prime is 84809. The reversal of 84808 is 80848.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58564 + 26244 = 242^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (84809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5293 + ... + 5308.

2⁸⁴⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

84808 is a deficient number, since it is larger than the sum of its proper divisors (74222).

84808 is a wasteful number, since it uses less digits than its factorization.

84808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607 (or 10603 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 84808 is about 291.2181313037. The cubic root of 84808 is about 43.9351662227.

The spelling of 84808 in words is "eighty-four thousand, eight hundred eight".