39909089 has 8 divisors (see below), whose sum is σ = 43583232. Its totient is φ = 36242640.

The previous prime is 39909061. The next prime is 39909127. The reversal of 39909089 is 98090993.

It is a happy number.

39909089 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 39909089 - 2⁸ = 39908833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39909589) 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, 17552 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (5447904).

Almost surely, 2^39909089 is an apocalyptic number.

It is an amenable number.

39909089 is a deficient number, since it is larger than the sum of its proper divisors (3674143).

39909089 is a wasteful number, since it uses less digits than its factorization.

39909089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 39909089 is about 6317.3640863892. The cubic root of 39909089 is about 341.7359000952.

The spelling of 39909089 in words is "thirty-nine million, nine hundred nine thousand, eighty-nine".