4198887 has 48 divisors (see below), whose sum is σ = 7757568. Its totient is φ = 2125440.

The previous prime is 4198879. The next prime is 4198889. The reversal of 4198887 is 7888914.

It is not a de Polignac number, because 4198887 - 2³ = 4198879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4198889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50548 + ... + 50630.

It is an arithmetic number, because the mean of its divisors is an integer number (161616).

Almost surely, 2^4198887 is an apocalyptic number.

4198887 is a deficient number, since it is larger than the sum of its proper divisors (3558681).

4198887 is a wasteful number, since it uses less digits than its factorization.

4198887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 177 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 4198887 is about 2049.1185910044. The cubic root of 4198887 is about 161.3286113903.

It can be divided in two parts, 4 and 198887, that added together give a palindrome (198891).

The spelling of 4198887 in words is "four million, one hundred ninety-eight thousand, eight hundred eighty-seven".