8768641 has 4 divisors (see below), whose sum is σ = 10021312. Its totient is φ = 7515972.

The previous prime is 8768621. The next prime is 8768647. The reversal of 8768641 is 1468678.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8768641 - 2⁵ = 8768609 is a prime.

8768641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8768594 and 8768603.

It is not an unprimeable number, because it can be changed into a prime (8768647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626325 + ... + 626338.

It is an arithmetic number, because the mean of its divisors is an integer number (2505328).

Almost surely, 2^8768641 is an apocalyptic number.

It is an amenable number.

8768641 is a deficient number, since it is larger than the sum of its proper divisors (1252671).

8768641 is a wasteful number, since it uses less digits than its factorization.

8768641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252670.

The product of its digits is 64512, while the sum is 40.

The square root of 8768641 is about 2961.1891192560. The cubic root of 8768641 is about 206.2104943006.

It can be divided in two parts, 8768 and 641, that added together give a square (9409 = 97²).

The spelling of 8768641 in words is "eight million, seven hundred sixty-eight thousand, six hundred forty-one".