99942048 has 144 divisors (see below), whose sum is σ = 305159400. Its totient is φ = 30916608.

The previous prime is 99942023. The next prime is 99942053. The reversal of 99942048 is 84024999.

It can be written as a sum of positive squares in 4 ways, for example, as 83393424 + 16548624 = 9132^2 + 4068^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 99941994 and 99942012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670678 + ... + 670826.

Almost surely, 2^99942048 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 99942048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152579700).

99942048 is an abundant number, since it is smaller than the sum of its proper divisors (205217352).

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

99942048 is a wasteful number, since it uses less digits than its factorization.

99942048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 99942048 is about 9997.1019800740. The cubic root of 99942048 is about 464.0692029165.

The spelling of 99942048 in words is "ninety-nine million, nine hundred forty-two thousand, forty-eight".