768656 has 20 divisors (see below), whose sum is σ = 1702272. Its totient is φ = 329376.

The previous prime is 768653. The next prime is 768671. The reversal of 768656 is 656867.

768656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×768656³ = 1362439792225333248, which contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (768653) 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, 3320 + ... + 3543.

2⁷⁶⁸⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

768656 is an abundant number, since it is smaller than the sum of its proper divisors (933616).

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

768656 is a wasteful number, since it uses less digits than its factorization.

768656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878 (or 6872 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 768656 is about 876.7302891996. The cubic root of 768656 is about 91.6032060306.

The spelling of 768656 in words is "seven hundred sixty-eight thousand, six hundred fifty-six".