8065816 has 32 divisors (see below), whose sum is σ = 16634880. Its totient is φ = 3636000.

The previous prime is 8065793. The next prime is 8065819. The reversal of 8065816 is 6185608.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8065819) 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, 12985 + ... + 13591.

It is an arithmetic number, because the mean of its divisors is an integer number (519840).

Almost surely, 2^8065816 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 8065816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8317440).

8065816 is an abundant number, since it is smaller than the sum of its proper divisors (8569064).

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

8065816 is a wasteful number, since it uses less digits than its factorization.

8065816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8065816 is about 2840.0380279144. The cubic root of 8065816 is about 200.5469694252.

The spelling of 8065816 in words is "eight million, sixty-five thousand, eight hundred sixteen".