8678216 has 8 divisors (see below), whose sum is σ = 16271670. Its totient is φ = 4339104.

The previous prime is 8678213. The next prime is 8678237. The reversal of 8678216 is 6128768.

It can be written as a sum of positive squares in only one way, i.e., 8145316 + 532900 = 2854^2 + 730^2 .

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

It is a super-2 number, since 2×8678216² = 150622865885312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8678216.

It is not an unprimeable number, because it can be changed into a prime (8678213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542381 + ... + 542396.

Almost surely, 2^8678216 is an apocalyptic number.

It is an amenable number.

8678216 is a deficient number, since it is larger than the sum of its proper divisors (7593454).

8678216 is a wasteful number, since it uses less digits than its factorization.

8678216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084783 (or 1084779 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 8678216 is about 2945.8811924448. The cubic root of 8678216 is about 205.4992077134.

The spelling of 8678216 in words is "eight million, six hundred seventy-eight thousand, two hundred sixteen".