8651264 has 40 divisors (see below), whose sum is σ = 17632428. Its totient is φ = 4239360.

The previous prime is 8651261. The next prime is 8651267. The reversal of 8651264 is 4621568.

It is an interprime number because it is at equal distance from previous prime (8651261) and next prime (8651267).

It can be written as a sum of positive squares in 2 ways, for example, as 6801664 + 1849600 = 2608^2 + 1360^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 8651264.

It is not an unprimeable number, because it can be changed into a prime (8651261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31094 + ... + 31370.

Almost surely, 2^8651264 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 8651264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8816214).

8651264 is an abundant number, since it is smaller than the sum of its proper divisors (8981164).

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

8651264 is an equidigital number, since it uses as much as digits as its factorization.

8651264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 340 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 8651264 is about 2941.3031125676. The cubic root of 8651264 is about 205.2862469569.

The spelling of 8651264 in words is "eight million, six hundred fifty-one thousand, two hundred sixty-four".