770826 has 16 divisors (see below), whose sum is σ = 1761984. Its totient is φ = 220224.

The previous prime is 770813. The next prime is 770837. The reversal of 770826 is 628077.

It is a junction number, because it is equal to n+sod(n) for n = 770793 and 770802.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770826.

It is an unprimeable number.

770826 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9135 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2⁷⁷⁰⁸²⁶ is an apocalyptic number.

770826 is an abundant number, since it is smaller than the sum of its proper divisors (991158).

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

770826 is a wasteful number, since it uses less digits than its factorization.

770826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18365.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 770826 is about 877.9669697659. The cubic root of 770826 is about 91.6893269965.

It can be divided in two parts, 770 and 826, that added together give a triangular number (1596 = T₅₆).

The spelling of 770826 in words is "seven hundred seventy thousand, eight hundred twenty-six".