39004239 has 8 divisors (see below), whose sum is σ = 55064880. Its totient is φ = 24473216.

The previous prime is 39004223. The next prime is 39004241. The reversal of 39004239 is 93240093.

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 39004239 - 2⁴ = 39004223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39004289) 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, 382344 + ... + 382445.

It is an arithmetic number, because the mean of its divisors is an integer number (6883110).

Almost surely, 2^39004239 is an apocalyptic number.

39004239 is a deficient number, since it is larger than the sum of its proper divisors (16060641).

39004239 is a wasteful number, since it uses less digits than its factorization.

39004239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764809.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 39004239 is about 6245.3373807986. The cubic root of 39004239 is about 339.1334304762.

The spelling of 39004239 in words is "thirty-nine million, four thousand, two hundred thirty-nine".