38849539 has 4 divisors (see below), whose sum is σ = 41134824. Its totient is φ = 36564256.

The previous prime is 38849537. The next prime is 38849543. The reversal of 38849539 is 93594883.

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 38849539 - 2¹ = 38849537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38849492 and 38849501.

It is not an unprimeable number, because it can be changed into a prime (38849533) 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, 1142617 + ... + 1142650.

It is an arithmetic number, because the mean of its divisors is an integer number (10283706).

Almost surely, 2^38849539 is an apocalyptic number.

38849539 is a deficient number, since it is larger than the sum of its proper divisors (2285285).

38849539 is a wasteful number, since it uses less digits than its factorization.

38849539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285284.

The product of its digits is 933120, while the sum is 49.

The square root of 38849539 is about 6232.9398360645. The cubic root of 38849539 is about 338.6844753734.

The spelling of 38849539 in words is "thirty-eight million, eight hundred forty-nine thousand, five hundred thirty-nine".