99742384 has 40 divisors (see below), whose sum is σ = 223159328. Its totient is φ = 42301440.

The previous prime is 99742373. The next prime is 99742387. The reversal of 99742384 is 48324799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99742387) 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, 6274 + ... + 15454.

Almost surely, 2^99742384 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 99742384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111579664).

99742384 is an abundant number, since it is smaller than the sum of its proper divisors (123416944).

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

99742384 is a wasteful number, since it uses less digits than its factorization.

99742384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293 (or 9287 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 99742384 is about 9987.1108935467. The cubic root of 99742384 is about 463.7599580835.

The spelling of 99742384 in words is "ninety-nine million, seven hundred forty-two thousand, three hundred eighty-four".