39039297 has 16 divisors (see below), whose sum is σ = 57749760. Its totient is φ = 23258000.

The previous prime is 39039289. The next prime is 39039317. The reversal of 39039297 is 79293093.

It is a cyclic number.

It is not a de Polignac number, because 39039297 - 2³ = 39039289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39039277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8079 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (3609360).

Almost surely, 2^39039297 is an apocalyptic number.

It is an amenable number.

39039297 is a deficient number, since it is larger than the sum of its proper divisors (18710463).

39039297 is a wasteful number, since it uses less digits than its factorization.

39039297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20124.

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 39039297 is about 6248.1434842679. The cubic root of 39039297 is about 339.2350072940.

The spelling of 39039297 in words is "thirty-nine million, thirty-nine thousand, two hundred ninety-seven".