768635 has 8 divisors (see below), whose sum is σ = 1054176. Its totient is φ = 527040.

The previous prime is 768631. The next prime is 768641. The reversal of 768635 is 536867.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 768635 - 2² = 768631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 21961 = 768635 / (7 + 6 + 8 + 6 + 3 + 5).

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 768595 and 768604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10946 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (131772).

2⁷⁶⁸⁶³⁵ is an apocalyptic number.

768635 is a deficient number, since it is larger than the sum of its proper divisors (285541).

768635 is a wasteful number, since it uses less digits than its factorization.

768635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973.

The product of its digits is 30240, while the sum is 35.

The square root of 768635 is about 876.7183128006. The cubic root of 768635 is about 91.6023718105.

The spelling of 768635 in words is "seven hundred sixty-eight thousand, six hundred thirty-five".