8216718 has 16 divisors (see below), whose sum is σ = 16461696. Its totient is φ = 2734200.

The previous prime is 8216717. The next prime is 8216723. The reversal of 8216718 is 8176128.

It is a happy number.

8216718 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (1028856).

Almost surely, 2^8216718 is an apocalyptic number.

8216718 is an abundant number, since it is smaller than the sum of its proper divisors (8244978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8216718 is a wasteful number, since it uses less digits than its factorization.

8216718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359.

The product of its digits is 5376, while the sum is 33.

The square root of 8216718 is about 2866.4818157456. The cubic root of 8216718 is about 201.7899165394.

The spelling of 8216718 in words is "eight million, two hundred sixteen thousand, seven hundred eighteen".