198899513 has 8 divisors (see below), whose sum is σ = 202982976. Its totient is φ = 194828400.

The previous prime is 198899509. The next prime is 198899539. The reversal of 198899513 is 315998891.

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 198899513 - 2² = 198899509 is a prime.

It is a super-2 number, since 2×198899513² = 79122032543274338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198899413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33908 + ... + 39338.

It is an arithmetic number, because the mean of its divisors is an integer number (25372872).

Almost surely, 2^198899513 is an apocalyptic number.

It is an amenable number.

198899513 is a deficient number, since it is larger than the sum of its proper divisors (4083463).

198899513 is an equidigital number, since it uses as much as digits as its factorization.

198899513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175.

The product of its digits is 699840, while the sum is 53.

The square root of 198899513 is about 14103.1738626452. The cubic root of 198899513 is about 583.7289597731.

The spelling of 198899513 in words is "one hundred ninety-eight million, eight hundred ninety-nine thousand, five hundred thirteen".