389492589 has 8 divisors (see below), whose sum is σ = 521592160. Its totient is φ = 258527376.

The previous prime is 389492567. The next prime is 389492611. The reversal of 389492589 is 985294983.

It is an interprime number because it is at equal distance from previous prime (389492567) and next prime (389492611).

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

It is not a de Polignac number, because 389492589 - 2²³ = 381103981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389492549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282787 + ... + 284160.

It is an arithmetic number, because the mean of its divisors is an integer number (65199020).

Almost surely, 2^389492589 is an apocalyptic number.

It is an amenable number.

389492589 is a deficient number, since it is larger than the sum of its proper divisors (132099571).

389492589 is a wasteful number, since it uses less digits than its factorization.

389492589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567179.

The product of its digits is 5598720, while the sum is 57.

The square root of 389492589 is about 19735.5665994164. The cubic root of 389492589 is about 730.2973636846.

The spelling of 389492589 in words is "three hundred eighty-nine million, four hundred ninety-two thousand, five hundred eighty-nine".