789449790 has 32 divisors (see below), whose sum is σ = 1896099840. Its totient is φ = 210362144.

The previous prime is 789449789. The next prime is 789449809. The reversal of 789449790 is 97944987.

789449790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 789449790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34027 + ... + 52313.

It is an arithmetic number, because the mean of its divisors is an integer number (59253120).

Almost surely, 2^789449790 is an apocalyptic number.

789449790 is an abundant number, since it is smaller than the sum of its proper divisors (1106650050).

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

789449790 is a wasteful number, since it uses less digits than its factorization.

789449790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19736.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 789449790 is about 28097.1491436409. The cubic root of 789449790 is about 924.2188837910.

The spelling of 789449790 in words is "seven hundred eighty-nine million, four hundred forty-nine thousand, seven hundred ninety".