84034172 has 12 divisors (see below), whose sum is σ = 149552760. Its totient is φ = 41304816.

The previous prime is 84034163. The next prime is 84034187. The reversal of 84034172 is 27143048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177803 + ... + 178274.

It is an arithmetic number, because the mean of its divisors is an integer number (12462730).

Almost surely, 2^84034172 is an apocalyptic number.

It is an amenable number.

84034172 is a deficient number, since it is larger than the sum of its proper divisors (65518588).

84034172 is a wasteful number, since it uses less digits than its factorization.

84034172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356140 (or 356138 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 84034172 is about 9167.0154357893. The cubic root of 84034172 is about 438.0112936073.

The spelling of 84034172 in words is "eighty-four million, thirty-four thousand, one hundred seventy-two".