6885142 has 24 divisors (see below), whose sum is σ = 11855088. Its totient is φ = 2991120.

The previous prime is 6885139. The next prime is 6885143. The reversal of 6885142 is 2415886.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6885098 and 6885107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885143) 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, 4948 + ... + 6184.

It is an arithmetic number, because the mean of its divisors is an integer number (493962).

Almost surely, 2^6885142 is an apocalyptic number.

6885142 is a deficient number, since it is larger than the sum of its proper divisors (4969946).

6885142 is a wasteful number, since it uses less digits than its factorization.

6885142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1273 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 6885142 is about 2623.9554112065. The cubic root of 6885142 is about 190.2410790222.

The spelling of 6885142 in words is "six million, eight hundred eighty-five thousand, one hundred forty-two".