84234 has 16 divisors (see below), whose sum is σ = 171360. Its totient is φ = 27600.

The previous prime is 84229. The next prime is 84239. The reversal of 84234 is 43248.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84229) and next prime (84239).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 84234.

It is not an unprimeable number, because it can be changed into a prime (84239) 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, 537 + ... + 675.

It is an arithmetic number, because the mean of its divisors is an integer number (10710).

2⁸⁴²³⁴ is an apocalyptic number.

84234 is an abundant number, since it is smaller than the sum of its proper divisors (87126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85680).

84234 is a wasteful number, since it uses less digits than its factorization.

84234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its digits is 768, while the sum is 21.

The square root of 84234 is about 290.2309425268. The cubic root of 84234 is about 43.8358206585.

Adding to 84234 its sum of digits (21), we get a triangular number (84255 = T₄₁₀).

The spelling of 84234 in words is "eighty-four thousand, two hundred thirty-four".