8318416 has 30 divisors (see below), whose sum is σ = 16684386. Its totient is φ = 4017600.

The previous prime is 8318413. The next prime is 8318417. The reversal of 8318416 is 6148138.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 1537600 = 2604^2 + 1240^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318411) 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, 15106 + ... + 15646.

Almost surely, 2^8318416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8318416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8342193).

8318416 is an abundant number, since it is smaller than the sum of its proper divisors (8365970).

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

8318416 is a wasteful number, since it uses less digits than its factorization.

8318416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 574 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 8318416 is about 2884.1664307040. The cubic root of 8318416 is about 202.6190206170.

The spelling of 8318416 in words is "eight million, three hundred eighteen thousand, four hundred sixteen".