8449039 has 4 divisors (see below), whose sum is σ = 8462520. Its totient is φ = 8435560.

The previous prime is 8449013. The next prime is 8449097. The reversal of 8449039 is 9309448.

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 8449039 - 2⁹ = 8448527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8448989 and 8449007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449099) 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, 5752 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (2115630).

Almost surely, 2^8449039 is an apocalyptic number.

8449039 is a deficient number, since it is larger than the sum of its proper divisors (13481).

8449039 is a wasteful number, since it uses less digits than its factorization.

8449039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 8449039 is about 2906.7230690246. The cubic root of 8449039 is about 203.6740839035.

The spelling of 8449039 in words is "eight million, four hundred forty-nine thousand, thirty-nine".