6858853 has 4 divisors (see below), whose sum is σ = 7157088. Its totient is φ = 6560620.

The previous prime is 6858827. The next prime is 6858869. The reversal of 6858853 is 3588586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3588586 = 2 ⋅1794293.

It is a cyclic number.

It is not a de Polignac number, because 6858853 - 2¹⁷ = 6727781 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858823) 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, 149083 + ... + 149128.

It is an arithmetic number, because the mean of its divisors is an integer number (1789272).

Almost surely, 2^6858853 is an apocalyptic number.

It is an amenable number.

6858853 is a deficient number, since it is larger than the sum of its proper divisors (298235).

6858853 is a wasteful number, since it uses less digits than its factorization.

6858853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298234.

The product of its digits is 230400, while the sum is 43.

The square root of 6858853 is about 2618.9411982708. The cubic root of 6858853 is about 189.9986426496.

It can be divided in two parts, 68 and 58853, that multiplied together give a palindrome (4002004).

The spelling of 6858853 in words is "six million, eight hundred fifty-eight thousand, eight hundred fifty-three".