99134784 has 168 divisors, whose sum is σ = 339181440. Its totient is φ = 27067392.

The previous prime is 99134773. The next prime is 99134863. The reversal of 99134784 is 48743199.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

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, 92202 + ... + 93270.

Almost surely, 2^99134784 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 99134784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169590720).

99134784 is an abundant number, since it is smaller than the sum of its proper divisors (240046656).

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

99134784 is a wasteful number, since it uses less digits than its factorization.

99134784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1104 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 99134784 is about 9956.6452181445. The cubic root of 99134784 is about 462.8163449572.

The spelling of 99134784 in words is "ninety-nine million, one hundred thirty-four thousand, seven hundred eighty-four".