84034843 has 4 divisors (see below), whose sum is σ = 84475008. Its totient is φ = 83594680.

The previous prime is 84034829. The next prime is 84034897. The reversal of 84034843 is 34843048.

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

It is a cyclic number.

It is not a de Polignac number, because 84034843 - 2²⁵ = 50480411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84034799 and 84034808.

It is not an unprimeable number, because it can be changed into a prime (84034343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219796 + ... + 220177.

It is an arithmetic number, because the mean of its divisors is an integer number (21118752).

Almost surely, 2^84034843 is an apocalyptic number.

84034843 is a deficient number, since it is larger than the sum of its proper divisors (440165).

84034843 is a wasteful number, since it uses less digits than its factorization.

84034843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440164.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 84034843 is about 9167.0520343238. The cubic root of 84034843 is about 438.0124594219.

The spelling of 84034843 in words is "eighty-four million, thirty-four thousand, eight hundred forty-three".