389123673 has 8 divisors (see below), whose sum is σ = 518988000. Its totient is φ = 259337568.

The previous prime is 389123639. The next prime is 389123723. The reversal of 389123673 is 376321983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 389123673 - 2⁸ = 389123417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389123473) 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, 6748 + ... + 28701.

It is an arithmetic number, because the mean of its divisors is an integer number (64873500).

Almost surely, 2^389123673 is an apocalyptic number.

It is an amenable number.

389123673 is a deficient number, since it is larger than the sum of its proper divisors (129864327).

389123673 is a wasteful number, since it uses less digits than its factorization.

389123673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39111.

The product of its digits is 163296, while the sum is 42.

The square root of 389123673 is about 19726.2179091685. The cubic root of 389123673 is about 730.0667187410.

The spelling of 389123673 in words is "three hundred eighty-nine million, one hundred twenty-three thousand, six hundred seventy-three".