6859197 has 12 divisors (see below), whose sum is σ = 9931324. Its totient is φ = 4561920.

The previous prime is 6859183. The next prime is 6859199. The reversal of 6859197 is 7919586.

It can be written as a sum of positive squares in 2 ways, for example, as 5433561 + 1425636 = 2331^2 + 1194^2 .

It is not a de Polignac number, because 6859197 - 2¹⁴ = 6842813 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 (6859199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5373 + ... + 6525.

Almost surely, 2^6859197 is an apocalyptic number.

It is an amenable number.

6859197 is a deficient number, since it is larger than the sum of its proper divisors (3072127).

6859197 is a wasteful number, since it uses less digits than its factorization.

6859197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1817 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 6859197 is about 2619.0068728432. The cubic root of 6859197 is about 190.0018190038.

It can be divided in two parts, 6859 and 197, that added together give a square (7056 = 84²).

The spelling of 6859197 in words is "six million, eight hundred fifty-nine thousand, one hundred ninety-seven".