99647392 has 48 divisors (see below), whose sum is σ = 218115072. Its totient is φ = 44501760.

The previous prime is 99647369. The next prime is 99647399. The reversal of 99647392 is 29374699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99647399) 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, 9033 + ... + 16759.

It is an arithmetic number, because the mean of its divisors is an integer number (4544064).

Almost surely, 2^99647392 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 99647392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109057536).

99647392 is an abundant number, since it is smaller than the sum of its proper divisors (118467680).

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

99647392 is a wasteful number, since it uses less digits than its factorization.

99647392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7773 counting only the distinct ones).

The product of its digits is 734832, while the sum is 49.

The square root of 99647392 is about 9982.3540309889. The cubic root of 99647392 is about 463.6126870950.

The spelling of 99647392 in words is "ninety-nine million, six hundred forty-seven thousand, three hundred ninety-two".