389147 has 8 divisors (see below), whose sum is σ = 449712. Its totient is φ = 332800.

The previous prime is 389141. The next prime is 389149. The reversal of 389147 is 741983.

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 389147 - 2⁶ = 389083 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389147.

It is not an unprimeable number, because it can be changed into a prime (389141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (56214).

2³⁸⁹¹⁴⁷ is an apocalyptic number.

389147 is a deficient number, since it is larger than the sum of its proper divisors (60565).

389147 is a wasteful number, since it uses less digits than its factorization.

389147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109.

The product of its digits is 6048, while the sum is 32.

The square root of 389147 is about 623.8164794232. The cubic root of 389147 is about 73.0081307013.

Subtracting 389147 from its reverse (741983), we obtain a square (352836 = 594²).

The spelling of 389147 in words is "three hundred eighty-nine thousand, one hundred forty-seven".