8449239 has 16 divisors (see below), whose sum is σ = 11710944. Its totient is φ = 5414400.

The previous prime is 8449223. The next prime is 8449249. The reversal of 8449239 is 9329448.

8449239 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8449239 - 2⁴ = 8449223 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4 + 4⁴ + 9² + 2²³ + 3¹⁰ + 9³ .

It is a junction number, because it is equal to n+sod(n) for n = 8449197 and 8449206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8509 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (731934).

Almost surely, 2^8449239 is an apocalyptic number.

8449239 is a deficient number, since it is larger than the sum of its proper divisors (3261705).

8449239 is a wasteful number, since it uses less digits than its factorization.

8449239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its digits is 62208, while the sum is 39.

The square root of 8449239 is about 2906.7574718232. The cubic root of 8449239 is about 203.6756909697.

The spelling of 8449239 in words is "eight million, four hundred forty-nine thousand, two hundred thirty-nine".