84813 has 8 divisors (see below), whose sum is σ = 119808. Its totient is φ = 53184.
The previous prime is 84811. The next prime is 84827. The reversal of 84813 is 31848.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 84813 - 21 = 84811 is a prime.
It is a Curzon number.
84813 is a lucky number.
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 84813.
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 7 ways as a sum of consecutive naturals, for example, 781 + ... + 882.
It is an arithmetic number, because the mean of its divisors is an integer number (14976).
284813 is an apocalyptic number.
It is an amenable number.
84813 is a deficient number, since it is larger than the sum of its proper divisors (34995).
84813 is a wasteful number, since it uses less digits than its factorization.
84813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1683.
The product of its digits is 768, while the sum is 24.
The square root of 84813 is about 291.2267158075. The cubic root of 84813 is about 43.9360296299.
It can be divided in two parts, 848 and 13, that added together give a triangular number (861 = T41).
The spelling of 84813 in words is "eighty-four thousand, eight hundred thirteen".
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