4198687 has 4 divisors (see below), whose sum is σ = 4301136. Its totient is φ = 4096240.

The previous prime is 4198669. The next prime is 4198703. The reversal of 4198687 is 7868914.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4198687 is a prime.

It is a Duffinian number.

4198687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4198637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51163 + ... + 51244.

It is an arithmetic number, because the mean of its divisors is an integer number (1075284).

Almost surely, 2^4198687 is an apocalyptic number.

4198687 is a deficient number, since it is larger than the sum of its proper divisors (102449).

4198687 is a wasteful number, since it uses less digits than its factorization.

4198687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102448.

The product of its digits is 96768, while the sum is 43.

The square root of 4198687 is about 2049.0697889530. The cubic root of 4198687 is about 161.3260498992.

The spelling of 4198687 in words is "four million, one hundred ninety-eight thousand, six hundred eighty-seven".