39147889 has 8 divisors (see below), whose sum is σ = 45219168. Its totient is φ = 33495360.

The previous prime is 39147881. The next prime is 39147893. The reversal of 39147889 is 98874193.

It is a happy number.

39147889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39147889 - 2³ = 39147881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39147881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104487 + ... + 104860.

It is an arithmetic number, because the mean of its divisors is an integer number (5652396).

Almost surely, 2^39147889 is an apocalyptic number.

It is an amenable number.

39147889 is a deficient number, since it is larger than the sum of its proper divisors (6071279).

39147889 is a wasteful number, since it uses less digits than its factorization.

39147889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209375.

The product of its digits is 435456, while the sum is 49.

The square root of 39147889 is about 6256.8273909386. The cubic root of 39147889 is about 339.5492556450.

The spelling of 39147889 in words is "thirty-nine million, one hundred forty-seven thousand, eight hundred eighty-nine".