389397673 has 8 divisors (see below), whose sum is σ = 449614592. Its totient is φ = 330327936.

The previous prime is 389397653. The next prime is 389397677. The reversal of 389397673 is 376793983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389397673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389397677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286065 + ... + 287422.

It is an arithmetic number, because the mean of its divisors is an integer number (56201824).

Almost surely, 2^389397673 is an apocalyptic number.

It is an amenable number.

389397673 is a deficient number, since it is larger than the sum of its proper divisors (60216919).

389397673 is an equidigital number, since it uses as much as digits as its factorization.

389397673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573591.

The product of its digits is 5143824, while the sum is 55.

The square root of 389397673 is about 19733.1617588262. The cubic root of 389397673 is about 730.2380364660.

The spelling of 389397673 in words is "three hundred eighty-nine million, three hundred ninety-seven thousand, six hundred seventy-three".