38646589 has 8 divisors (see below), whose sum is σ = 42084000. Its totient is φ = 35349552.

The previous prime is 38646557. The next prime is 38646599. The reversal of 38646589 is 98564683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38646589 - 2⁵ = 38646557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38646529) 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, 34519 + ... + 35620.

It is an arithmetic number, because the mean of its divisors is an integer number (5260500).

Almost surely, 2^38646589 is an apocalyptic number.

It is an amenable number.

38646589 is a deficient number, since it is larger than the sum of its proper divisors (3437411).

38646589 is a wasteful number, since it uses less digits than its factorization.

38646589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187.

The product of its digits is 1244160, while the sum is 49.

The square root of 38646589 is about 6216.6380785759. The cubic root of 38646589 is about 338.0936828188.

The spelling of 38646589 in words is "thirty-eight million, six hundred forty-six thousand, five hundred eighty-nine".