84717 has 6 divisors (see below), whose sum is σ = 122382. Its totient is φ = 56472.

The previous prime is 84713. The next prime is 84719. The reversal of 84717 is 71748.

It can be written as a sum of positive squares in only one way, i.e., 84681 + 36 = 291^2 + 6^2 .

It is not a de Polignac number, because 84717 - 2² = 84713 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 84717.

It is not an unprimeable number, because it can be changed into a prime (84713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4698 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (20397).

2⁸⁴⁷¹⁷ is an apocalyptic number.

It is an amenable number.

84717 is a deficient number, since it is larger than the sum of its proper divisors (37665).

84717 is a wasteful number, since it uses less digits than its factorization.

84717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419 (or 9416 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 84717 is about 291.0618490974. The cubic root of 84717 is about 43.9194462789.

The spelling of 84717 in words is "eighty-four thousand, seven hundred seventeen".