39038945 has 8 divisors (see below), whose sum is σ = 51105600. Its totient is φ = 28391920.

The previous prime is 39038941. The next prime is 39038971. The reversal of 39038945 is 54983093.

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

It is not a de Polignac number, because 39038945 - 2² = 39038941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39038941) 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, 354845 + ... + 354954.

It is an arithmetic number, because the mean of its divisors is an integer number (6388200).

Almost surely, 2^39038945 is an apocalyptic number.

It is an amenable number.

39038945 is a deficient number, since it is larger than the sum of its proper divisors (12066655).

39038945 is a wasteful number, since it uses less digits than its factorization.

39038945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709815.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 39038945 is about 6248.1153158372. The cubic root of 39038945 is about 339.2339877138.

The spelling of 39038945 in words is "thirty-nine million, thirty-eight thousand, nine hundred forty-five".