766804 has 12 divisors (see below), whose sum is σ = 1367604. Its totient is φ = 376064.

The previous prime is 766793. The next prime is 766807. The reversal of 766804 is 408667.

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 562500 = 452^2 + 750^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766807) by changing a digit.

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, 1597 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (113967).

2⁷⁶⁶⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

766804 is a deficient number, since it is larger than the sum of its proper divisors (600800).

766804 is a wasteful number, since it uses less digits than its factorization.

766804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 766804 is about 875.6734551190. The cubic root of 766804 is about 91.5295772677.

The spelling of 766804 in words is "seven hundred sixty-six thousand, eight hundred four".