5198985 has 48 divisors (see below), whose sum is σ = 10221120. Its totient is φ = 2514240.

The previous prime is 5198983. The next prime is 5199011. The reversal of 5198985 is 5898915.

It is not a de Polignac number, because 5198985 - 2¹ = 5198983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5198985.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13171 + ... + 13559.

It is an arithmetic number, because the mean of its divisors is an integer number (212940).

Almost surely, 2^5198985 is an apocalyptic number.

5198985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5198985 is a deficient number, since it is larger than the sum of its proper divisors (5022135).

5198985 is a wasteful number, since it uses less digits than its factorization.

5198985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 408 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 5198985 is about 2280.1282858646. The cubic root of 5198985 is about 173.2365481207.

The spelling of 5198985 in words is "five million, one hundred ninety-eight thousand, nine hundred eighty-five".