6831136 has 24 divisors (see below), whose sum is σ = 14484204. Its totient is φ = 3152640.

The previous prime is 6831131. The next prime is 6831151. The reversal of 6831136 is 6311386.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 1795600 = 2244^2 + 1340^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6831131) 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, 7795 + ... + 8626.

Almost surely, 2^6831136 is an apocalyptic number.

It is an amenable number.

6831136 is an abundant number, since it is smaller than the sum of its proper divisors (7653068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6831136 is a wasteful number, since it uses less digits than its factorization.

6831136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444 (or 16436 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 6831136 is about 2613.6441991977. The cubic root of 6831136 is about 189.7423654944.

The spelling of 6831136 in words is "six million, eight hundred thirty-one thousand, one hundred thirty-six".