39081039 has 4 divisors (see below), whose sum is σ = 52108056. Its totient is φ = 26054024.

The previous prime is 39081019. The next prime is 39081047. The reversal of 39081039 is 93018093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39081039 - 2¹⁵ = 39048271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39081019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6513504 + ... + 6513509.

It is an arithmetic number, because the mean of its divisors is an integer number (13027014).

Almost surely, 2^39081039 is an apocalyptic number.

39081039 is a deficient number, since it is larger than the sum of its proper divisors (13027017).

39081039 is a wasteful number, since it uses less digits than its factorization.

39081039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027016.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 39081039 is about 6251.4829440702. The cubic root of 39081039 is about 339.3558710123.

The spelling of 39081039 in words is "thirty-nine million, eighty-one thousand, thirty-nine".