10198849 has 4 divisors (see below), whose sum is σ = 10214100. Its totient is φ = 10183600.

The previous prime is 10198829. The next prime is 10198889. The reversal of 10198849 is 94889101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8661249 + 1537600 = 2943^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 10198849 - 2⁵ = 10198817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10198819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6574 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (2553525).

Almost surely, 2^10198849 is an apocalyptic number.

It is an amenable number.

10198849 is a deficient number, since it is larger than the sum of its proper divisors (15251).

10198849 is an equidigital number, since it uses as much as digits as its factorization.

10198849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15250.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 10198849 is about 3193.5636834107. The cubic root of 10198849 is about 216.8621307769.

The spelling of 10198849 in words is "ten million, one hundred ninety-eight thousand, eight hundred forty-nine".