389817673 has 8 divisors (see below), whose sum is σ = 446830592. Its totient is φ = 333135936.

The previous prime is 389817643. The next prime is 389817677. The reversal of 389817673 is 376718983.

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 389817673 - 2⁵ = 389817641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389817673.

It is not an unprimeable number, because it can be changed into a prime (389817677) 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, 80265 + ... + 84982.

It is an arithmetic number, because the mean of its divisors is an integer number (55853824).

Almost surely, 2^389817673 is an apocalyptic number.

It is an amenable number.

389817673 is a deficient number, since it is larger than the sum of its proper divisors (57012919).

389817673 is a wasteful number, since it uses less digits than its factorization.

389817673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165591.

The product of its digits is 1524096, while the sum is 52.

The square root of 389817673 is about 19743.8008752114. The cubic root of 389817673 is about 730.5004843394.

The spelling of 389817673 in words is "three hundred eighty-nine million, eight hundred seventeen thousand, six hundred seventy-three".