789642242 has 8 divisors (see below), whose sum is σ = 1246803600. Its totient is φ = 374041044.

The previous prime is 789642229. The next prime is 789642251. The reversal of 789642242 is 242246987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 789642193 and 789642202.

It is an unprimeable 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, 10389992 + ... + 10390067.

It is an arithmetic number, because the mean of its divisors is an integer number (155850450).

Almost surely, 2^789642242 is an apocalyptic number.

789642242 is a deficient number, since it is larger than the sum of its proper divisors (457161358).

789642242 is a wasteful number, since it uses less digits than its factorization.

789642242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20780080.

The product of its digits is 387072, while the sum is 44.

The square root of 789642242 is about 28100.5736952113. The cubic root of 789642242 is about 924.2939796883.

The spelling of 789642242 in words is "seven hundred eighty-nine million, six hundred forty-two thousand, two hundred forty-two".