84394170 has 96 divisors (see below), whose sum is σ = 261835200. Its totient is φ = 19287072.

The previous prime is 84394169. The next prime is 84394213. The reversal of 84394170 is 7149348.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10041 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (2727450).

Almost surely, 2^84394170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84394170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130917600).

84394170 is an abundant number, since it is smaller than the sum of its proper divisors (177441030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84394170 is a wasteful number, since it uses less digits than its factorization.

84394170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6396 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 84394170 is about 9186.6299588043. The cubic root of 84394170 is about 438.6358750581.

The spelling of 84394170 in words is "eighty-four million, three hundred ninety-four thousand, one hundred seventy".