6849997 has 16 divisors (see below), whose sum is σ = 9044352. Its totient is φ = 5022720.

The previous prime is 6849991. The next prime is 6850007. The reversal of 6849997 is 7999486.

It is a cyclic number.

It is not a de Polignac number, because 6849997 - 2¹¹ = 6847949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849991) 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 15 ways as a sum of consecutive naturals, for example, 1308 + ... + 3925.

It is an arithmetic number, because the mean of its divisors is an integer number (565272).

Almost surely, 2^6849997 is an apocalyptic number.

6849997 is the 1309-th decagonal number.

It is an amenable number.

6849997 is a deficient number, since it is larger than the sum of its proper divisors (2194355).

6849997 is a wasteful number, since it uses less digits than its factorization.

6849997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its digits is 979776, while the sum is 52.

The square root of 6849997 is about 2617.2498925399. The cubic root of 6849997 is about 189.9168334078.

The spelling of 6849997 in words is "six million, eight hundred forty-nine thousand, nine hundred ninety-seven".