4187868 has 12 divisors (see below), whose sum is σ = 9771720. Its totient is φ = 1395952.

The previous prime is 4187851. The next prime is 4187891. The reversal of 4187868 is 8687814.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174483 + ... + 174506.

It is an arithmetic number, because the mean of its divisors is an integer number (814310).

Almost surely, 2^4187868 is an apocalyptic number.

It is an amenable number.

4187868 is an abundant number, since it is smaller than the sum of its proper divisors (5583852).

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

4187868 is a wasteful number, since it uses less digits than its factorization.

4187868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348996 (or 348994 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 4187868 is about 2046.4281077038. The cubic root of 4187868 is about 161.1873646523.

The spelling of 4187868 in words is "four million, one hundred eighty-seven thousand, eight hundred sixty-eight".