99998849 has 4 divisors (see below), whose sum is σ = 100340436. Its totient is φ = 99657264.

The previous prime is 99998819. The next prime is 99998851. The reversal of 99998849 is 94889999.

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 83539600 + 16459249 = 9140^2 + 4057^2 .

It is a cyclic number.

It is not a de Polignac number, because 99998849 - 2¹⁶ = 99933313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99998819) 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, 170354 + ... + 170939.

It is an arithmetic number, because the mean of its divisors is an integer number (25085109).

Almost surely, 2^99998849 is an apocalyptic number.

It is an amenable number.

99998849 is a deficient number, since it is larger than the sum of its proper divisors (341587).

99998849 is a wasteful number, since it uses less digits than its factorization.

99998849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341586.

The product of its digits is 15116544, while the sum is 65.

The square root of 99998849 is about 9999.9424498344. The cubic root of 99998849 is about 464.1571025315.

The spelling of 99998849 in words is "ninety-nine million, nine hundred ninety-eight thousand, eight hundred forty-nine".