6849239 has 4 divisors (see below), whose sum is σ = 7147056. Its totient is φ = 6551424.

The previous prime is 6849229. The next prime is 6849247. The reversal of 6849239 is 9329486.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6849239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6849196 and 6849205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148874 + ... + 148919.

It is an arithmetic number, because the mean of its divisors is an integer number (1786764).

Almost surely, 2^6849239 is an apocalyptic number.

6849239 is a deficient number, since it is larger than the sum of its proper divisors (297817).

6849239 is a wasteful number, since it uses less digits than its factorization.

6849239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297816.

The product of its digits is 93312, while the sum is 41.

The square root of 6849239 is about 2617.1050800455. The cubic root of 6849239 is about 189.9098279415.

The spelling of 6849239 in words is "six million, eight hundred forty-nine thousand, two hundred thirty-nine".