8649264 has 80 divisors (see below), whose sum is σ = 24498432. Its totient is φ = 2613504.

The previous prime is 8649253. The next prime is 8649283. The reversal of 8649264 is 4629468.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51709 + ... + 51875.

Almost surely, 2^8649264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8649264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12249216).

8649264 is an abundant number, since it is smaller than the sum of its proper divisors (15849168).

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

8649264 is a wasteful number, since it uses less digits than its factorization.

8649264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 268 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 8649264 is about 2940.9631075551. The cubic root of 8649264 is about 205.2704263733.

The spelling of 8649264 in words is "eight million, six hundred forty-nine thousand, two hundred sixty-four".