6855497 has 12 divisors (see below), whose sum is σ = 7684740. Its totient is φ = 6108960.

The previous prime is 6855493. The next prime is 6855529. The reversal of 6855497 is 7945586.

It can be written as a sum of positive squares in 2 ways, for example, as 4096576 + 2758921 = 2024^2 + 1661^2 .

It is not a de Polignac number, because 6855497 - 2² = 6855493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6855491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5879 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (640395).

Almost surely, 2^6855497 is an apocalyptic number.

6855497 is the 2138-th pentagonal number.

It is an amenable number.

6855497 is a deficient number, since it is larger than the sum of its proper divisors (829243).

6855497 is a wasteful number, since it uses less digits than its factorization.

6855497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1133 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 6855497 is about 2618.3004029332. The cubic root of 6855497 is about 189.9676491550.

The spelling of 6855497 in words is "six million, eight hundred fifty-five thousand, four hundred ninety-seven".