84430017 has 12 divisors (see below), whose sum is σ = 139376640. Its totient is φ = 48245688.

The previous prime is 84430009. The next prime is 84430043. The reversal of 84430017 is 71003448.

It is not a de Polignac number, because 84430017 - 2³ = 84430009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84430067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670017 + ... + 670142.

It is an arithmetic number, because the mean of its divisors is an integer number (11614720).

Almost surely, 2^84430017 is an apocalyptic number.

It is an amenable number.

84430017 is a deficient number, since it is larger than the sum of its proper divisors (54946623).

84430017 is a wasteful number, since it uses less digits than its factorization.

84430017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340172 (or 1340169 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84430017 is about 9188.5807935720. The cubic root of 84430017 is about 438.6979707948.

The spelling of 84430017 in words is "eighty-four million, four hundred thirty thousand, seventeen".