38929009 has 8 divisors (see below), whose sum is σ = 44533568. Its totient is φ = 33335280.

The previous prime is 38929003. The next prime is 38929027. The reversal of 38929009 is 90092983.

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 38929009 - 2³ = 38929001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38929001) 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, 7654 + ... + 11680.

It is an arithmetic number, because the mean of its divisors is an integer number (5566696).

Almost surely, 2^38929009 is an apocalyptic number.

It is an amenable number.

38929009 is a deficient number, since it is larger than the sum of its proper divisors (5604559).

38929009 is a wasteful number, since it uses less digits than its factorization.

38929009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 38929009 is about 6239.3115806153. The cubic root of 38929009 is about 338.9152539473.

The spelling of 38929009 in words is "thirty-eight million, nine hundred twenty-nine thousand, nine".