6866238 has 32 divisors (see below), whose sum is σ = 14265504. Its totient is φ = 2201472.

The previous prime is 6866191. The next prime is 6866257. The reversal of 6866238 is 8326686.

6866238 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6866196 and 6866205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34756 + ... + 34952.

It is an arithmetic number, because the mean of its divisors is an integer number (445797).

Almost surely, 2^6866238 is an apocalyptic number.

6866238 is an abundant number, since it is smaller than the sum of its proper divisors (7399266).

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

6866238 is a wasteful number, since it uses less digits than its factorization.

6866238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 82944, while the sum is 39.

The square root of 6866238 is about 2620.3507398820. The cubic root of 6866238 is about 190.0668093768.

The spelling of 6866238 in words is "six million, eight hundred sixty-six thousand, two hundred thirty-eight".