84989317 has 8 divisors (see below), whose sum is σ = 98074496. Its totient is φ = 72140112.

The previous prime is 84989309. The next prime is 84989327. The reversal of 84989317 is 71398948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84989317 - 2³ = 84989309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84989327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58218 + ... + 59659.

It is an arithmetic number, because the mean of its divisors is an integer number (12259312).

Almost surely, 2^84989317 is an apocalyptic number.

It is an amenable number.

84989317 is a deficient number, since it is larger than the sum of its proper divisors (13085179).

84989317 is a wasteful number, since it uses less digits than its factorization.

84989317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117987.

The product of its digits is 435456, while the sum is 49.

The square root of 84989317 is about 9218.9650720675. The cubic root of 84989317 is about 439.6645463141.

The spelling of 84989317 in words is "eighty-four million, nine hundred eighty-nine thousand, three hundred seventeen".