8006216 has 8 divisors (see below), whose sum is σ = 15011670. Its totient is φ = 4003104.

The previous prime is 8006209. The next prime is 8006221. The reversal of 8006216 is 6126008.

It can be written as a sum of positive squares in only one way, i.e., 5541316 + 2464900 = 2354^2 + 1570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

8006216 is a modest number, since divided by 6216 gives 8 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 8006191 and 8006200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500381 + ... + 500396.

Almost surely, 2^8006216 is an apocalyptic number.

It is an amenable number.

8006216 is a deficient number, since it is larger than the sum of its proper divisors (7005454).

8006216 is a wasteful number, since it uses less digits than its factorization.

8006216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000783 (or 1000779 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8006216 is about 2829.5257553166. The cubic root of 8006216 is about 200.0517865896.

The spelling of 8006216 in words is "eight million, six thousand, two hundred sixteen".