99828449 has 8 divisors (see below), whose sum is σ = 115653120. Its totient is φ = 84394656.

The previous prime is 99828433. The next prime is 99828493. The reversal of 99828449 is 94482899.

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 99828449 - 2⁴ = 99828433 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 99828449.

It is not an unprimeable number, because it can be changed into a prime (99824449) 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, 97169 + ... + 98190.

It is an arithmetic number, because the mean of its divisors is an integer number (14456640).

Almost surely, 2^99828449 is an apocalyptic number.

It is an amenable number.

99828449 is a deficient number, since it is larger than the sum of its proper divisors (15824671).

99828449 is a wasteful number, since it uses less digits than its factorization.

99828449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195439.

The product of its digits is 1492992, while the sum is 53.

The square root of 99828449 is about 9991.4187681230. The cubic root of 99828449 is about 463.8933083692.

The spelling of 99828449 in words is "ninety-nine million, eight hundred twenty-eight thousand, four hundred forty-nine".