84242 has 8 divisors (see below), whose sum is σ = 128316. Its totient is φ = 41472.

The previous prime is 84239. The next prime is 84247. The reversal of 84242 is 24248.

It can be written as a sum of positive squares in 2 ways, for example, as 72361 + 11881 = 269^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 434.

2⁸⁴²⁴² is an apocalyptic number.

84242 is a deficient number, since it is larger than the sum of its proper divisors (44074).

84242 is a wasteful number, since it uses less digits than its factorization.

84242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its digits is 512, while the sum is 20.

The square root of 84242 is about 290.2447243276. The cubic root of 84242 is about 43.8372083620.

The spelling of 84242 in words is "eighty-four thousand, two hundred forty-two".