99938448 has 100 divisors (see below), whose sum is σ = 294378480. Its totient is φ = 32723136.

The previous prime is 99938441. The next prime is 99938477. The reversal of 99938448 is 84483999.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 99938394 and 99938403.

It is not an unprimeable number, because it can be changed into a prime (99938441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75811 + ... + 77117.

Almost surely, 2^99938448 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 99938448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147189240).

99938448 is an abundant number, since it is smaller than the sum of its proper divisors (194440032).

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

99938448 is a wasteful number, since it uses less digits than its factorization.

99938448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1371 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 99938448 is about 9996.9219262731. The cubic root of 99938448 is about 464.0636307900.

The spelling of 99938448 in words is "ninety-nine million, nine hundred thirty-eight thousand, four hundred forty-eight".