84856 has 8 divisors (see below), whose sum is σ = 159120. Its totient is φ = 42424.

The previous prime is 84827. The next prime is 84857. The reversal of 84856 is 65848.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5296 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (19890).

2⁸⁴⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

84856 is a deficient number, since it is larger than the sum of its proper divisors (74264).

84856 is a wasteful number, since it uses less digits than its factorization.

84856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613 (or 10609 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 84856 is about 291.3005320970. The cubic root of 84856 is about 43.9434535314.

The spelling of 84856 in words is "eighty-four thousand, eight hundred fifty-six".