8009216 has 20 divisors (see below), whose sum is σ = 16003812. Its totient is φ = 4004352.

The previous prime is 8009179. The next prime is 8009219. The reversal of 8009216 is 6129008.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8009219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7310 + ... + 8333.

Almost surely, 2^8009216 is an apocalyptic number.

It is an amenable number.

8009216 is a deficient number, since it is larger than the sum of its proper divisors (7994596).

8009216 is an equidigital number, since it uses as much as digits as its factorization.

8009216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15661 (or 15645 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 8009216 is about 2830.0558298380. The cubic root of 8009216 is about 200.0767705277.

It can be divided in two parts, 80092 and 16, that added together give a palindrome (80108).

The spelling of 8009216 in words is "eight million, nine thousand, two hundred sixteen".