8630866 has 16 divisors (see below), whose sum is σ = 13854456. Its totient is φ = 4018176.

The previous prime is 8630861. The next prime is 8630899. The reversal of 8630866 is 6680368.

It can be written as a sum of positive squares in 4 ways, for example, as 8614225 + 16641 = 2935^2 + 129^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8630861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990 + ... + 4606.

Almost surely, 2^8630866 is an apocalyptic number.

8630866 is a deficient number, since it is larger than the sum of its proper divisors (5223590).

8630866 is a wasteful number, since it uses less digits than its factorization.

8630866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 8630866 is about 2937.8335555303. The cubic root of 8630866 is about 205.1247782886.

The spelling of 8630866 in words is "eight million, six hundred thirty thousand, eight hundred sixty-six".