5198987 has 8 divisors (see below), whose sum is σ = 5310240. Its totient is φ = 5088960.

The previous prime is 5198983. The next prime is 5199011. The reversal of 5198987 is 7898915.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5198987 - 2² = 5198983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16562 + ... + 16872.

It is an arithmetic number, because the mean of its divisors is an integer number (663780).

Almost surely, 2^5198987 is an apocalyptic number.

5198987 is a deficient number, since it is larger than the sum of its proper divisors (111253).

5198987 is a wasteful number, since it uses less digits than its factorization.

5198987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its digits is 181440, while the sum is 47.

The square root of 5198987 is about 2280.1287244364. The cubic root of 5198987 is about 173.2365703348.

The spelling of 5198987 in words is "five million, one hundred ninety-eight thousand, nine hundred eighty-seven".