84238 has 16 divisors (see below), whose sum is σ = 157824. Its totient is φ = 32760.

The previous prime is 84229. The next prime is 84239. The reversal of 84238 is 83248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84239) 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 7 ways as a sum of consecutive naturals, for example, 120 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (9864).

2⁸⁴²³⁸ is an apocalyptic number.

84238 is a deficient number, since it is larger than the sum of its proper divisors (73586).

84238 is a wasteful number, since it uses less digits than its factorization.

84238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its digits is 1536, while the sum is 25.

The square root of 84238 is about 290.2378335090. The cubic root of 84238 is about 43.8365145212.

Subtracting from 84238 its reverse (83248), we obtain a triangular number (990 = T₄₄).

The spelling of 84238 in words is "eighty-four thousand, two hundred thirty-eight".