6840297 has 12 divisors (see below), whose sum is σ = 9906624. Its totient is φ = 4548120.

The previous prime is 6840293. The next prime is 6840299. The reversal of 6840297 is 7920486.

It is not a de Polignac number, because 6840297 - 2² = 6840293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6840293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3772 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (825552).

Almost surely, 2^6840297 is an apocalyptic number.

It is an amenable number.

6840297 is a deficient number, since it is larger than the sum of its proper divisors (3066327).

6840297 is a wasteful number, since it uses less digits than its factorization.

6840297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6840297 is about 2615.3961459022. The cubic root of 6840297 is about 189.8271465792.

The spelling of 6840297 in words is "six million, eight hundred forty thousand, two hundred ninety-seven".