6858942 has 16 divisors (see below), whose sum is σ = 13977360. Its totient is φ = 2243072.

The previous prime is 6858937. The next prime is 6858947. The reversal of 6858942 is 2498586.

It is an interprime number because it is at equal distance from previous prime (6858937) and next prime (6858947).

It is a d-powerful number, because it can be written as 6⁸ + 8 + 5⁵ + 8 + 9⁷ + 4⁹ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 6858894 and 6858903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10467 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (873585).

Almost surely, 2^6858942 is an apocalyptic number.

6858942 is an abundant number, since it is smaller than the sum of its proper divisors (7118418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6858942 is a wasteful number, since it uses less digits than its factorization.

6858942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21627.

The product of its digits is 138240, while the sum is 42.

The square root of 6858942 is about 2618.9581898152. The cubic root of 6858942 is about 189.9994644491. Note that the first 3 decimals are identical.

The spelling of 6858942 in words is "six million, eight hundred fifty-eight thousand, nine hundred forty-two".