779944 has 16 divisors (see below), whose sum is σ = 1595520. Its totient is φ = 354480.

The previous prime is 779939. The next prime is 779971. The reversal of 779944 is 449977.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 779897 and 779906.

It is an unprimeable number.

779944 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, 4344 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (99720).

2⁷⁷⁹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

779944 is an abundant number, since it is smaller than the sum of its proper divisors (815576).

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

779944 is a wasteful number, since it uses less digits than its factorization.

779944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880 (or 8876 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 779944 is about 883.1443823068. The cubic root of 779944 is about 92.0494378272.

The spelling of 779944 in words is "seven hundred seventy-nine thousand, nine hundred forty-four".