84845 has 8 divisors (see below), whose sum is σ = 103680. Its totient is φ = 66640.

The previous prime is 84827. The next prime is 84857. The reversal of 84845 is 54848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84845 - 2⁸ = 84589 is a prime.

It is a Curzon number.

It is a plaindrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236 + ... + 474.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2⁸⁴⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

84845 is a deficient number, since it is larger than the sum of its proper divisors (18835).

84845 is a wasteful number, since it uses less digits than its factorization.

84845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 5120, while the sum is 29.

The square root of 84845 is about 291.2816506408. The cubic root of 84845 is about 43.9415546326.

It can be divided in two parts, 84 and 845, that added together give a palindrome (929).

The spelling of 84845 in words is "eighty-four thousand, eight hundred forty-five".