768836 has 12 divisors (see below), whose sum is σ = 1364412. Its totient is φ = 379008.

The previous prime is 768811. The next prime is 768841. The reversal of 768836 is 638867.

It can be written as a sum of positive squares in 2 ways, for example, as 270400 + 498436 = 520^2 + 706^2 .

It is a super-2 number, since 2×768836² = 1182217589792, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 768836.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768836.

It is an unprimeable number.

768836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (113701).

2⁷⁶⁸⁸³⁶ is an apocalyptic number.

It is an amenable number.

768836 is a deficient number, since it is larger than the sum of its proper divisors (595576).

768836 is a wasteful number, since it uses less digits than its factorization.

768836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 768836 is about 876.8329373376. The cubic root of 768836 is about 91.6103558653.

The spelling of 768836 in words is "seven hundred sixty-eight thousand, eight hundred thirty-six".