389123001 has 8 divisors (see below), whose sum is σ = 576478560. Its totient is φ = 259415316.

The previous prime is 389122999. The next prime is 389123017. The reversal of 389123001 is 100321983.

It is not a de Polignac number, because 389123001 - 2¹ = 389122999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14411963 = 389123001 / (3 + 8 + 9 + 1 + 2 + 3 + 0 + 0 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389123051) 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, 7205955 + ... + 7206008.

It is an arithmetic number, because the mean of its divisors is an integer number (72059820).

Almost surely, 2^389123001 is an apocalyptic number.

It is an amenable number.

389123001 is a deficient number, since it is larger than the sum of its proper divisors (187355559).

389123001 is a wasteful number, since it uses less digits than its factorization.

389123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411972 (or 14411966 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 389123001 is about 19726.2008759923. The cubic root of 389123001 is about 730.0662984760.

Adding to 389123001 its reverse (100321983), we get a palindrome (489444984).

The spelling of 389123001 in words is "three hundred eighty-nine million, one hundred twenty-three thousand, one".