8649366 has 32 divisors (see below), whose sum is σ = 19526400. Its totient is φ = 2530080.

The previous prime is 8649353. The next prime is 8649367. The reversal of 8649366 is 6639468.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (610200).

Almost surely, 2^8649366 is an apocalyptic number.

8649366 is an abundant number, since it is smaller than the sum of its proper divisors (10877034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8649366 is a wasteful number, since it uses less digits than its factorization.

8649366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564.

The product of its digits is 186624, while the sum is 42.

The square root of 8649366 is about 2940.9804487619. The cubic root of 8649366 is about 205.2712332821.

The spelling of 8649366 in words is "eight million, six hundred forty-nine thousand, three hundred sixty-six".