84613 has 4 divisors (see below), whose sum is σ = 85248. Its totient is φ = 83980.

The previous prime is 84589. The next prime is 84629. The reversal of 84613 is 31648.

84613 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 84613 - 2¹³ = 76421 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84653) 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 in 3 ways as a sum of consecutive naturals, for example, 31 + ... + 412.

It is an arithmetic number, because the mean of its divisors is an integer number (21312).

2⁸⁴⁶¹³ is an apocalyptic number.

It is an amenable number.

84613 is a deficient number, since it is larger than the sum of its proper divisors (635).

84613 is a wasteful number, since it uses less digits than its factorization.

84613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 576, while the sum is 22.

The square root of 84613 is about 290.8831380469. The cubic root of 84613 is about 43.9014668384.

It can be divided in two parts, 8461 and 3, that added together give a square (8464 = 92²).

The spelling of 84613 in words is "eighty-four thousand, six hundred thirteen".