6856355 has 16 divisors (see below), whose sum is σ = 9504864. Its totient is φ = 4692480.

The previous prime is 6856279. The next prime is 6856357. The reversal of 6856355 is 5536586.

It is not a de Polignac number, because 6856355 - 2¹² = 6852259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6856357) 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, 2732 + ... + 4601.

It is an arithmetic number, because the mean of its divisors is an integer number (594054).

Almost surely, 2^6856355 is an apocalyptic number.

6856355 is a deficient number, since it is larger than the sum of its proper divisors (2648509).

6856355 is a wasteful number, since it uses less digits than its factorization.

6856355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366.

The product of its digits is 108000, while the sum is 38.

The square root of 6856355 is about 2618.4642445525. The cubic root of 6856355 is about 189.9755739606.

The spelling of 6856355 in words is "six million, eight hundred fifty-six thousand, three hundred fifty-five".