84370 has 32 divisors (see below), whose sum is σ = 181440. Its totient is φ = 27840.

The previous prime is 84349. The next prime is 84377. The reversal of 84370 is 7348.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (84377) by changing a digit.

84370 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2⁸⁴³⁷⁰ is an apocalyptic number.

84370 is an abundant number, since it is smaller than the sum of its proper divisors (97070).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90720).

84370 is a wasteful number, since it uses less digits than its factorization.

84370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 84370 is about 290.4651442084. The cubic root of 84370 is about 43.8593996805.

Subtracting from 84370 its sum of digits (22), we obtain a palindrome (84348).

It can be divided in two parts, 84 and 370, that added together give a palindrome (454).

The spelling of 84370 in words is "eighty-four thousand, three hundred seventy".