6886142 has 4 divisors (see below), whose sum is σ = 10329216. Its totient is φ = 3443070.

The previous prime is 6886141. The next prime is 6886147. The reversal of 6886142 is 2416886.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6886141) 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 as a sum of consecutive naturals, namely, 1721534 + ... + 1721537.

It is an arithmetic number, because the mean of its divisors is an integer number (2582304).

Almost surely, 2^6886142 is an apocalyptic number.

6886142 is a deficient number, since it is larger than the sum of its proper divisors (3443074).

6886142 is a wasteful number, since it uses less digits than its factorization.

6886142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443073.

The product of its digits is 18432, while the sum is 35.

The square root of 6886142 is about 2624.1459563065. The cubic root of 6886142 is about 190.2502887993.

The spelling of 6886142 in words is "six million, eight hundred eighty-six thousand, one hundred forty-two".