6842449 has 8 divisors (see below), whose sum is σ = 7422408. Its totient is φ = 6282240.

The previous prime is 6842443. The next prime is 6842453. The reversal of 6842449 is 9442486.

6842449 = 432² + 433² + ... + 465².

6842449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2250000 + 4592449 = 1500^2 + 2143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6842449 - 2³ = 6842441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6842441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4212 + ... + 5605.

It is an arithmetic number, because the mean of its divisors is an integer number (927801).

Almost surely, 2^6842449 is an apocalyptic number.

It is an amenable number.

6842449 is a deficient number, since it is larger than the sum of its proper divisors (579959).

6842449 is a wasteful number, since it uses less digits than its factorization.

6842449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875.

The product of its digits is 55296, while the sum is 37.

The square root of 6842449 is about 2615.8075235002. The cubic root of 6842449 is about 189.8470514258.

Adding to 6842449 its sum of digits (37), we get a palindrome (6842486).

The spelling of 6842449 in words is "six million, eight hundred forty-two thousand, four hundred forty-nine".