6840337 has 4 divisors (see below), whose sum is σ = 7817536. Its totient is φ = 5863140.

The previous prime is 6840331. The next prime is 6840349. The reversal of 6840337 is 7330486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6840337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6840299 and 6840308.

It is not an unprimeable number, because it can be changed into a prime (6840331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488589 + ... + 488602.

It is an arithmetic number, because the mean of its divisors is an integer number (1954384).

Almost surely, 2^6840337 is an apocalyptic number.

It is an amenable number.

6840337 is a deficient number, since it is larger than the sum of its proper divisors (977199).

6840337 is an equidigital number, since it uses as much as digits as its factorization.

6840337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977198.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 6840337 is about 2615.4037929161. The cubic root of 6840337 is about 189.8275165959.

The spelling of 6840337 in words is "six million, eight hundred forty thousand, three hundred thirty-seven".