389354847 has 8 divisors (see below), whose sum is σ = 593302656. Its totient is φ = 222488472.

The previous prime is 389354827. The next prime is 389354851. The reversal of 389354847 is 748453983.

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

It is not a de Polignac number, because 389354847 - 2¹² = 389350751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389354847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389354827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9270333 + ... + 9270374.

It is an arithmetic number, because the mean of its divisors is an integer number (74162832).

Almost surely, 2^389354847 is an apocalyptic number.

389354847 is a deficient number, since it is larger than the sum of its proper divisors (203947809).

389354847 is a wasteful number, since it uses less digits than its factorization.

389354847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540717.

The product of its digits is 2903040, while the sum is 51.

The square root of 389354847 is about 19732.0766013109. The cubic root of 389354847 is about 730.2112649306.

The spelling of 389354847 in words is "three hundred eighty-nine million, three hundred fifty-four thousand, eight hundred forty-seven".