6868215 has 48 divisors (see below), whose sum is σ = 13010400. Its totient is φ = 3338496.

The previous prime is 6868207. The next prime is 6868229. The reversal of 6868215 is 5128686.

It is a happy number.

6868215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6868215 - 2³ = 6868207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6868215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24657 + ... + 24933.

It is an arithmetic number, because the mean of its divisors is an integer number (271050).

Almost surely, 2^6868215 is an apocalyptic number.

6868215 is a deficient number, since it is larger than the sum of its proper divisors (6142185).

6868215 is a wasteful number, since it uses less digits than its factorization.

6868215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 6868215 is about 2620.7279523064. The cubic root of 6868215 is about 190.0850496429.

The spelling of 6868215 in words is "six million, eight hundred sixty-eight thousand, two hundred fifteen".