39389009 has 12 divisors (see below), whose sum is σ = 43462272. Its totient is φ = 35670360.

The previous prime is 39388991. The next prime is 39389023. The reversal of 39389009 is 90098393.

It is not a de Polignac number, because 39389009 - 2⁸ = 39388753 is a prime.

It is a super-3 number, since 3×39389009³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39389029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43964 + ... + 44850.

It is an arithmetic number, because the mean of its divisors is an integer number (3621856).

Almost surely, 2^39389009 is an apocalyptic number.

It is an amenable number.

39389009 is a deficient number, since it is larger than the sum of its proper divisors (4073263).

39389009 is a wasteful number, since it uses less digits than its factorization.

39389009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 39389009 is about 6276.0663635752. The cubic root of 39389009 is about 340.2449474800.

The spelling of 39389009 in words is "thirty-nine million, three hundred eighty-nine thousand, nine".