5198687 has 4 divisors (see below), whose sum is σ = 5598600. Its totient is φ = 4798776.

The previous prime is 5198681. The next prime is 5198689. The reversal of 5198687 is 7868915.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5198687 - 2⁴ = 5198671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5198681) 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, 199937 + ... + 199962.

It is an arithmetic number, because the mean of its divisors is an integer number (1399650).

Almost surely, 2^5198687 is an apocalyptic number.

5198687 is a deficient number, since it is larger than the sum of its proper divisors (399913).

5198687 is a wasteful number, since it uses less digits than its factorization.

5198687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399912.

The product of its digits is 120960, while the sum is 44.

The square root of 5198687 is about 2280.0629377278. The cubic root of 5198687 is about 173.2332381491.

It can be divided in two parts, 5198 and 687, that added together give a palindrome (5885).

The spelling of 5198687 in words is "five million, one hundred ninety-eight thousand, six hundred eighty-seven".