779420 has 12 divisors (see below), whose sum is σ = 1636824. Its totient is φ = 311760.

The previous prime is 779413. The next prime is 779477. The reversal of 779420 is 24977.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 779420.

It is an unprimeable number.

779420 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, 19466 + ... + 19505.

It is an arithmetic number, because the mean of its divisors is an integer number (136402).

2⁷⁷⁹⁴²⁰ is an apocalyptic number.

It is an amenable number.

779420 is an abundant number, since it is smaller than the sum of its proper divisors (857404).

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

779420 is a wasteful number, since it uses less digits than its factorization.

779420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38980 (or 38978 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 779420 is about 882.8476652288. The cubic root of 779420 is about 92.0288189489.

The spelling of 779420 in words is "seven hundred seventy-nine thousand, four hundred twenty".