84718 has 4 divisors (see below), whose sum is σ = 127080. Its totient is φ = 42358.

The previous prime is 84713. The next prime is 84719. The reversal of 84718 is 81748.

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

It is a plaindrome in base 16.

It is a congruent number.

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

84718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21178 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (31770).

2⁸⁴⁷¹⁸ is an apocalyptic number.

84718 is a deficient number, since it is larger than the sum of its proper divisors (42362).

84718 is a wasteful number, since it uses less digits than its factorization.

84718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42361.

The product of its digits is 1792, while the sum is 28.

The square root of 84718 is about 291.0635669403. The cubic root of 84718 is about 43.9196190867.

The spelling of 84718 in words is "eighty-four thousand, seven hundred eighteen".