84213 has 8 divisors (see below), whose sum is σ = 124800. Its totient is φ = 56124.

The previous prime is 84211. The next prime is 84221. The reversal of 84213 is 31248.

It is a happy number.

It is not a de Polignac number, because 84213 - 2¹ = 84211 is a prime.

84213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84211) 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, 1533 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (15600).

2⁸⁴²¹³ is an apocalyptic number.

It is an amenable number.

84213 is a deficient number, since it is larger than the sum of its proper divisors (40587).

84213 is a wasteful number, since it uses less digits than its factorization.

84213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3122 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 84213 is about 290.1947621857. The cubic root of 84213 is about 43.8321775186.

The spelling of 84213 in words is "eighty-four thousand, two hundred thirteen".