99844672 has 56 divisors (see below), whose sum is σ = 211445856. Its totient is φ = 46614528.

The previous prime is 99844631. The next prime is 99844681. The reversal of 99844672 is 27644899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177063 + ... + 177625.

Almost surely, 2^99844672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99844672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105722928).

99844672 is an abundant number, since it is smaller than the sum of its proper divisors (111601184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99844672 is a wasteful number, since it uses less digits than its factorization.

99844672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 745 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 99844672 is about 9992.2305818070. The cubic root of 99844672 is about 463.9184359208.

The spelling of 99844672 in words is "ninety-nine million, eight hundred forty-four thousand, six hundred seventy-two".