84234171 has 16 divisors (see below), whose sum is σ = 128609024. Its totient is φ = 48039264.

The previous prime is 84234149. The next prime is 84234181. The reversal of 84234171 is 17143248.

It is not a de Polignac number, because 84234171 - 2¹³ = 84225979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84234181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7821 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (8038064).

Almost surely, 2^84234171 is an apocalyptic number.

84234171 is a deficient number, since it is larger than the sum of its proper divisors (44374853).

84234171 is a wasteful number, since it uses less digits than its factorization.

84234171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890.

The product of its digits is 5376, while the sum is 30.

The square root of 84234171 is about 9177.9175742649. The cubic root of 84234171 is about 438.3585032156.

The spelling of 84234171 in words is "eighty-four million, two hundred thirty-four thousand, one hundred seventy-one".