8949239 has 4 divisors (see below), whose sum is σ = 9637656. Its totient is φ = 8260824.

The previous prime is 8949221. The next prime is 8949253. The reversal of 8949239 is 9329498.

8949239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8949239 - 2¹⁶ = 8883703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8949239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8949299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344189 + ... + 344214.

It is an arithmetic number, because the mean of its divisors is an integer number (2409414).

Almost surely, 2^8949239 is an apocalyptic number.

8949239 is a deficient number, since it is larger than the sum of its proper divisors (688417).

8949239 is a wasteful number, since it uses less digits than its factorization.

8949239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688416.

The product of its digits is 139968, while the sum is 44.

The square root of 8949239 is about 2991.5278705036. The cubic root of 8949239 is about 207.6165813162.

The spelling of 8949239 in words is "eight million, nine hundred forty-nine thousand, two hundred thirty-nine".