8685142 has 4 divisors (see below), whose sum is σ = 13027716. Its totient is φ = 4342570.

The previous prime is 8685107. The next prime is 8685151. The reversal of 8685142 is 2415868.

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

It is a junction number, because it is equal to n+sod(n) for n = 8685098 and 8685107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171284 + ... + 2171287.

It is an arithmetic number, because the mean of its divisors is an integer number (3256929).

Almost surely, 2^8685142 is an apocalyptic number.

8685142 is a deficient number, since it is larger than the sum of its proper divisors (4342574).

8685142 is a wasteful number, since it uses less digits than its factorization.

8685142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342573.

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

The square root of 8685142 is about 2947.0564975921. The cubic root of 8685142 is about 205.5538621509.

The spelling of 8685142 in words is "eight million, six hundred eighty-five thousand, one hundred forty-two".