789319442 has 4 divisors (see below), whose sum is σ = 1183979166. Its totient is φ = 394659720.

The previous prime is 789319441. The next prime is 789319501. The reversal of 789319442 is 244913987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244913987 = 223 ⋅1098269.

It can be written as a sum of positive squares in only one way, i.e., 405982201 + 383337241 = 20149^2 + 19579^2 .

It is not an unprimeable number, because it can be changed into a prime (789319441) by changing a digit.

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 as a sum of consecutive naturals, namely, 197329859 + ... + 197329862.

Almost surely, 2^789319442 is an apocalyptic number.

789319442 is a deficient number, since it is larger than the sum of its proper divisors (394659724).

789319442 is a wasteful number, since it uses less digits than its factorization.

789319442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394659723.

The product of its digits is 435456, while the sum is 47.

The square root of 789319442 is about 28094.8294531218. The cubic root of 789319442 is about 924.1680143055.

The spelling of 789319442 in words is "seven hundred eighty-nine million, three hundred nineteen thousand, four hundred forty-two".