3188868 has 12 divisors (see below), whose sum is σ = 7440720. Its totient is φ = 1062952.

The previous prime is 3188833. The next prime is 3188879. The reversal of 3188868 is 8688813.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132858 + ... + 132881.

It is an arithmetic number, because the mean of its divisors is an integer number (620060).

Almost surely, 2^3188868 is an apocalyptic number.

It is an amenable number.

3188868 is an abundant number, since it is smaller than the sum of its proper divisors (4251852).

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

3188868 is a wasteful number, since it uses less digits than its factorization.

3188868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265746 (or 265744 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 3188868 is about 1785.7401826694. The cubic root of 3188868 is about 147.1901837539.

Subtracting 3188868 from its reverse (8688813), we obtain a palindrome (5499945).

The spelling of 3188868 in words is "three million, one hundred eighty-eight thousand, eight hundred sixty-eight".