389171097 has 48 divisors (see below), whose sum is σ = 667779840. Its totient is φ = 213687936.

The previous prime is 389171087. The next prime is 389171119. The reversal of 389171097 is 790171983.

It is not a de Polignac number, because 389171097 - 2⁸ = 389170841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389171047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 534948 + ... + 535674.

It is an arithmetic number, because the mean of its divisors is an integer number (13912080).

Almost surely, 2^389171097 is an apocalyptic number.

It is an amenable number.

389171097 is a deficient number, since it is larger than the sum of its proper divisors (278608743).

389171097 is a wasteful number, since it uses less digits than its factorization.

389171097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 389171097 is about 19727.4199276033. The cubic root of 389171097 is about 730.0963762167.

The spelling of 389171097 in words is "three hundred eighty-nine million, one hundred seventy-one thousand, ninety-seven".