779228 has 12 divisors (see below), whose sum is σ = 1435560. Its totient is φ = 369072.

The previous prime is 779221. The next prime is 779231. The reversal of 779228 is 822977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779221) by changing a digit.

779228 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (119630).

2⁷⁷⁹²²⁸ is an apocalyptic number.

It is an amenable number.

779228 is a deficient number, since it is larger than the sum of its proper divisors (656332).

779228 is a wasteful number, since it uses less digits than its factorization.

779228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276 (or 10274 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 779228 is about 882.7389195000. The cubic root of 779228 is about 92.0212616266.

The spelling of 779228 in words is "seven hundred seventy-nine thousand, two hundred twenty-eight".