789438343 has 8 divisors (see below), whose sum is σ = 815513600. Its totient is φ = 763401240.

The previous prime is 789438329. The next prime is 789438359. The reversal of 789438343 is 343834987.

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

It is a cyclic number.

It is not a de Polignac number, because 789438343 - 2⁵ = 789438311 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789438383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36058 + ... + 53656.

It is an arithmetic number, because the mean of its divisors is an integer number (101939200).

Almost surely, 2^789438343 is an apocalyptic number.

789438343 is a deficient number, since it is larger than the sum of its proper divisors (26075257).

789438343 is a wasteful number, since it uses less digits than its factorization.

789438343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19077.

The product of its digits is 1741824, while the sum is 49.

The square root of 789438343 is about 28096.9454389619. The cubic root of 789438343 is about 924.2144167201.

The spelling of 789438343 in words is "seven hundred eighty-nine million, four hundred thirty-eight thousand, three hundred forty-three".