6839797 has 4 divisors (see below), whose sum is σ = 7242156. Its totient is φ = 6437440.

The previous prime is 6839771. The next prime is 6839801. The reversal of 6839797 is 7979386.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3118756 + 3721041 = 1766^2 + 1929^2 .

It is a cyclic number.

It is not a de Polignac number, because 6839797 - 2⁷ = 6839669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6839797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201154 + ... + 201187.

It is an arithmetic number, because the mean of its divisors is an integer number (1810539).

Almost surely, 2^6839797 is an apocalyptic number.

It is an amenable number.

6839797 is a deficient number, since it is larger than the sum of its proper divisors (402359).

6839797 is a wasteful number, since it uses less digits than its factorization.

6839797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402358.

The product of its digits is 571536, while the sum is 49.

The square root of 6839797 is about 2615.3005563415. The cubic root of 6839797 is about 189.8225212496.

The spelling of 6839797 in words is "six million, eight hundred thirty-nine thousand, seven hundred ninety-seven".