99849 has 8 divisors (see below), whose sum is σ = 135072. Its totient is φ = 65600.

The previous prime is 99839. The next prime is 99859. The reversal of 99849 is 94899.

It is an interprime number because it is at equal distance from previous prime (99839) and next prime (99859).

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 99849 - 2⁴ = 99833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99809) 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, 49 + ... + 449.

It is an arithmetic number, because the mean of its divisors is an integer number (16884).

2⁹⁹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

99849 is a deficient number, since it is larger than the sum of its proper divisors (35223).

99849 is a wasteful number, since it uses less digits than its factorization.

99849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 23328, while the sum is 39.

The square root of 99849 is about 315.9889238565. The cubic root of 99849 is about 46.3925139032.

Subtracting from 99849 its reverse (94899), we obtain a triangular number (4950 = T₉₉).

The spelling of 99849 in words is "ninety-nine thousand, eight hundred forty-nine".