6861206 has 16 divisors (see below), whose sum is σ = 11532240. Its totient is φ = 3034080.

The previous prime is 6861203. The next prime is 6861241. The reversal of 6861206 is 6021686.

It is a super-2 number, since 2×6861206² = 94152295548872, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861203) 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 7 ways as a sum of consecutive naturals, for example, 3401 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (720765).

Almost surely, 2^6861206 is an apocalyptic number.

6861206 is a deficient number, since it is larger than the sum of its proper divisors (4671034).

6861206 is a wasteful number, since it uses less digits than its factorization.

6861206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6861206 is about 2619.3903870939. The cubic root of 6861206 is about 190.0203671611.

The spelling of 6861206 in words is "six million, eight hundred sixty-one thousand, two hundred six".