6858142 has 8 divisors (see below), whose sum is σ = 10334016. Its totient is φ = 3413472.

The previous prime is 6858139. The next prime is 6858149. The reversal of 6858142 is 2418586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6858142² = 94068223384328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6858098 and 6858107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7243 + ... + 8134.

It is an arithmetic number, because the mean of its divisors is an integer number (1291752).

Almost surely, 2^6858142 is an apocalyptic number.

6858142 is a deficient number, since it is larger than the sum of its proper divisors (3475874).

6858142 is a wasteful number, since it uses less digits than its factorization.

6858142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15602.

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

The square root of 6858142 is about 2618.8054528735. The cubic root of 6858142 is about 189.9920772320.

The spelling of 6858142 in words is "six million, eight hundred fifty-eight thousand, one hundred forty-two".