8630649 has 12 divisors (see below), whose sum is σ = 12558000. Its totient is φ = 5711544.

The previous prime is 8630647. The next prime is 8630653. The reversal of 8630649 is 9460368.

8630649 is a `hidden beast` number, since 8 + 6 + 3 + 0 + 649 = 666.

8630649 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8630649 - 2¹ = 8630647 is a prime.

It is a super-2 number, since 2×8630649² = 148976204322402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8630641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2199 + ... + 4700.

It is an arithmetic number, because the mean of its divisors is an integer number (1046500).

Almost surely, 2^8630649 is an apocalyptic number.

It is an amenable number.

8630649 is a deficient number, since it is larger than the sum of its proper divisors (3927351).

8630649 is a wasteful number, since it uses less digits than its factorization.

8630649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044 (or 7041 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8630649 is about 2937.7966233216. The cubic root of 8630649 is about 205.1230591699.

The spelling of 8630649 in words is "eight million, six hundred thirty thousand, six hundred forty-nine".