389678847 has 16 divisors (see below), whose sum is σ = 547536000. Its totient is φ = 245834784.

The previous prime is 389678837. The next prime is 389678881. The reversal of 389678847 is 748876983.

It is not a de Polignac number, because 389678847 - 2⁸ = 389678591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389678837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54729 + ... + 61437.

It is an arithmetic number, because the mean of its divisors is an integer number (34221000).

Almost surely, 2^389678847 is an apocalyptic number.

389678847 is a deficient number, since it is larger than the sum of its proper divisors (157857153).

389678847 is a wasteful number, since it uses less digits than its factorization.

389678847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750.

The product of its digits is 16257024, while the sum is 60.

The square root of 389678847 is about 19740.2848763639. The cubic root of 389678847 is about 730.4137561856.

The spelling of 389678847 in words is "three hundred eighty-nine million, six hundred seventy-eight thousand, eight hundred forty-seven".