99049 has 4 divisors (see below), whose sum is σ = 101764. Its totient is φ = 96336.

The previous prime is 99041. The next prime is 99053. The reversal of 99049 is 94099.

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 40000 + 59049 = 200^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 99049 - 2³ = 99041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99049.

It is not an unprimeable number, because it can be changed into a prime (99041) 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, 1302 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (25441).

2⁹⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

99049 is a deficient number, since it is larger than the sum of its proper divisors (2715).

99049 is a wasteful number, since it uses less digits than its factorization.

99049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99049 is about 314.7205109299. The cubic root of 99049 is about 46.2682810615.

Subtracting from 99049 its reverse (94099), we obtain a triangular number (4950 = T₉₉).

The spelling of 99049 in words is "ninety-nine thousand, forty-nine".