766829 has 4 divisors (see below), whose sum is σ = 876384. Its totient is φ = 657276.

The previous prime is 766817. The next prime is 766861. The reversal of 766829 is 928667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 766829 - 2⁴ = 766813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 766792 and 766801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54767 + ... + 54780.

It is an arithmetic number, because the mean of its divisors is an integer number (219096).

2⁷⁶⁶⁸²⁹ is an apocalyptic number.

It is an amenable number.

766829 is a deficient number, since it is larger than the sum of its proper divisors (109555).

766829 is a wasteful number, since it uses less digits than its factorization.

766829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109554.

The product of its digits is 36288, while the sum is 38.

The square root of 766829 is about 875.6877297302. The cubic root of 766829 is about 91.5305719654.

The spelling of 766829 in words is "seven hundred sixty-six thousand, eight hundred twenty-nine".