768289 has 4 divisors (see below), whose sum is σ = 779824. Its totient is φ = 756756.

The previous prime is 768263. The next prime is 768301. The reversal of 768289 is 982867.

768289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 768289 - 2⁷ = 768161 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (768259) 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, 5667 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (194956).

2⁷⁶⁸²⁸⁹ is an apocalyptic number.

It is an amenable number.

768289 is a deficient number, since it is larger than the sum of its proper divisors (11535).

768289 is a wasteful number, since it uses less digits than its factorization.

768289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534.

The product of its digits is 48384, while the sum is 40.

The square root of 768289 is about 876.5209638109. The cubic root of 768289 is about 91.5886248532.

The spelling of 768289 in words is "seven hundred sixty-eight thousand, two hundred eighty-nine".