6851349 has 6 divisors (see below), whose sum is σ = 9896406. Its totient is φ = 4567560.

The previous prime is 6851347. The next prime is 6851407. The reversal of 6851349 is 9431586.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 651249 = 2490^2 + 807^2 .

It is not a de Polignac number, because 6851349 - 2¹ = 6851347 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380622 + ... + 380639.

It is an arithmetic number, because the mean of its divisors is an integer number (1649401).

Almost surely, 2^6851349 is an apocalyptic number.

It is an amenable number.

6851349 is a deficient number, since it is larger than the sum of its proper divisors (3045057).

6851349 is a wasteful number, since it uses less digits than its factorization.

6851349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761267 (or 761264 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 6851349 is about 2617.5081661764. The cubic root of 6851349 is about 189.9293273631.

The spelling of 6851349 in words is "six million, eight hundred fifty-one thousand, three hundred forty-nine".