8630816 has 12 divisors (see below), whose sum is σ = 16991982. Its totient is φ = 4315392.

The previous prime is 8630813. The next prime is 8630821. The reversal of 8630816 is 6180368.

It can be written as a sum of positive squares in only one way, i.e., 5740816 + 2890000 = 2396^2 + 1700^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 269713 = 8630816 / (8 + 6 + 3 + 0 + 8 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (8630813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134825 + ... + 134888.

Almost surely, 2^8630816 is an apocalyptic number.

It is an amenable number.

8630816 is a deficient number, since it is larger than the sum of its proper divisors (8361166).

8630816 is a wasteful number, since it uses less digits than its factorization.

8630816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269723 (or 269715 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8630816 is about 2937.8250458460. The cubic root of 8630816 is about 205.1243821809.

The spelling of 8630816 in words is "eight million, six hundred thirty thousand, eight hundred sixteen".