3215868 has 24 divisors (see below), whose sum is σ = 7763280. Its totient is φ = 1034880.

The previous prime is 3215833. The next prime is 3215879. The reversal of 3215868 is 8685123.

It is a happy number.

3215868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4273 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (323470).

Almost surely, 2^3215868 is an apocalyptic number.

It is an amenable number.

3215868 is an abundant number, since it is smaller than the sum of its proper divisors (4547412).

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

3215868 is a wasteful number, since it uses less digits than its factorization.

3215868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277 (or 9275 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 3215868 is about 1793.2841381109. The cubic root of 3215868 is about 147.6044343230.

The spelling of 3215868 in words is "three million, two hundred fifteen thousand, eight hundred sixty-eight".