99449 has 4 divisors (see below), whose sum is σ = 113664. Its totient is φ = 85236.

The previous prime is 99439. The next prime is 99469. The reversal of 99449 is 94499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94499 = 53 ⋅1783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99409) 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, 7097 + ... + 7110.

It is an arithmetic number, because the mean of its divisors is an integer number (28416).

2⁹⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

99449 is a deficient number, since it is larger than the sum of its proper divisors (14215).

99449 is a wasteful number, since it uses less digits than its factorization.

99449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14214.

The product of its digits is 11664, while the sum is 35.

The square root of 99449 is about 315.3553551155. The cubic root of 99449 is about 46.3304807634.

Subtracting from 99449 its reverse (94499), we obtain a triangular number (4950 = T₉₉).

The spelling of 99449 in words is "ninety-nine thousand, four hundred forty-nine".