6809957 has 16 divisors (see below), whose sum is σ = 8640000. Its totient is φ = 5213040.

The previous prime is 6809927. The next prime is 6809981. The reversal of 6809957 is 7599086.

It is not a de Polignac number, because 6809957 - 2⁶ = 6809893 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 (6809927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3794 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (540000).

Almost surely, 2^6809957 is an apocalyptic number.

It is an amenable number.

6809957 is a deficient number, since it is larger than the sum of its proper divisors (1830043).

6809957 is a wasteful number, since it uses less digits than its factorization.

6809957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 6809957 is about 2609.5894313091. The cubic root of 6809957 is about 189.5460724367.

The spelling of 6809957 in words is "six million, eight hundred nine thousand, nine hundred fifty-seven".