84034 has 4 divisors (see below), whose sum is σ = 126054. Its totient is φ = 42016.

The previous prime is 84017. The next prime is 84047. The reversal of 84034 is 43048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 2809 = 285^2 + 53^2 .

It is a plaindrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007 + ... + 21010.

2⁸⁴⁰³⁴ is an apocalyptic number.

84034 is a deficient number, since it is larger than the sum of its proper divisors (42020).

84034 is a wasteful number, since it uses less digits than its factorization.

84034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42019.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 84034 is about 289.8861845621. The cubic root of 84034 is about 43.8010994769.

The spelling of 84034 in words is "eighty-four thousand, thirty-four".