768256 has 18 divisors (see below), whose sum is σ = 1534022. Its totient is φ = 384000.

The previous prime is 768241. The next prime is 768259. The reversal of 768256 is 652867.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 102400 = 816^2 + 320^2 .

It is a nialpdrome in base 16.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1245 + ... + 1756.

2⁷⁶⁸²⁵⁶ is an apocalyptic number.

It is an amenable number.

768256 is a deficient number, since it is larger than the sum of its proper divisors (765766).

768256 is an equidigital number, since it uses as much as digits as its factorization.

768256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017 (or 3003 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 768256 is about 876.5021391873. The cubic root of 768256 is about 91.5873135116.

It can be divided in two parts, 768 and 256, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 768256 in words is "seven hundred sixty-eight thousand, two hundred fifty-six".