389115038 has 16 divisors (see below), whose sum is σ = 648848256. Its totient is φ = 173797920.

The previous prime is 389115037. The next prime is 389115047. The reversal of 389115038 is 830511983.

It is a junction number, because it is equal to n+sod(n) for n = 389114992 and 389115010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389115037) 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, 240581 + ... + 242192.

It is an arithmetic number, because the mean of its divisors is an integer number (40553016).

Almost surely, 2^389115038 is an apocalyptic number.

389115038 is a deficient number, since it is larger than the sum of its proper divisors (259733218).

389115038 is a wasteful number, since it uses less digits than its factorization.

389115038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482819.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 389115038 is about 19725.9990368042. Note that the first 3 decimals coincide. The cubic root of 389115038 is about 730.0613184246.

Adding to 389115038 its sum of digits (38), we get a square (389115076 = 19726²).

The spelling of 389115038 in words is "three hundred eighty-nine million, one hundred fifteen thousand, thirty-eight".