84393117 has 32 divisors (see below), whose sum is σ = 139363200. Its totient is φ = 50160384.

The previous prime is 84393109. The next prime is 84393121. The reversal of 84393117 is 71139348.

It is a happy number.

It is not a de Polignac number, because 84393117 - 2³ = 84393109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84393157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3883 + ... + 13559.

It is an arithmetic number, because the mean of its divisors is an integer number (4355100).

Almost surely, 2^84393117 is an apocalyptic number.

It is an amenable number.

84393117 is a deficient number, since it is larger than the sum of its proper divisors (54970083).

84393117 is a wasteful number, since it uses less digits than its factorization.

84393117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722 (or 9716 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 84393117 is about 9186.5726470757. The cubic root of 84393117 is about 438.6340507398.

The spelling of 84393117 in words is "eighty-four million, three hundred ninety-three thousand, one hundred seventeen".