99534312 has 128 divisors (see below), whose sum is σ = 295680000. Its totient is φ = 30932928.

The previous prime is 99534311. The next prime is 99534343. The reversal of 99534312 is 21343599.

It is a happy number.

99534312 is a `hidden beast` number, since 99 + 534 + 31 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (99534311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324063 + ... + 324369.

It is an arithmetic number, because the mean of its divisors is an integer number (2310000).

Almost surely, 2^99534312 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 99534312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147840000).

99534312 is an abundant number, since it is smaller than the sum of its proper divisors (196145688).

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

99534312 is a wasteful number, since it uses less digits than its factorization.

99534312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 410 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 99534312 is about 9976.6884285318. The cubic root of 99534312 is about 463.4372512744.

The spelling of 99534312 in words is "ninety-nine million, five hundred thirty-four thousand, three hundred twelve".