84881 has 4 divisors (see below), whose sum is σ = 89892. Its totient is φ = 79872.

The previous prime is 84871. The next prime is 84913. The reversal of 84881 is 18848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 36481 = 220^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 84881 - 2¹⁰ = 83857 is a prime.

It is a super-2 number, since 2×84881² = 14409568322, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84881.

It is not an unprimeable number, because it can be changed into a prime (84811) 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, 2480 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (22473).

2⁸⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

84881 is a deficient number, since it is larger than the sum of its proper divisors (5011).

84881 is a wasteful number, since it uses less digits than its factorization.

84881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010.

The product of its digits is 2048, while the sum is 29.

The square root of 84881 is about 291.3434399467. The cubic root of 84881 is about 43.9477686003.

It can be divided in two parts, 848 and 81, that added together give a palindrome (929).

The spelling of 84881 in words is "eighty-four thousand, eight hundred eighty-one".