99949312 has 36 divisors (see below), whose sum is σ = 206403120. Its totient is φ = 48247808.

The previous prime is 99949303. The next prime is 99949313. The reversal of 99949312 is 21394999.

It is not an unprimeable number, because it can be changed into a prime (99949313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693 + ... + 14155.

It is an arithmetic number, because the mean of its divisors is an integer number (5733420).

Almost surely, 2^99949312 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 99949312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103201560).

99949312 is an abundant number, since it is smaller than the sum of its proper divisors (106453808).

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

99949312 is a wasteful number, since it uses less digits than its factorization.

99949312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13508 (or 13494 counting only the distinct ones).

The product of its digits is 157464, while the sum is 46.

The square root of 99949312 is about 9997.4652787594. The cubic root of 99949312 is about 464.0804458220.

It can be divided in two parts, 9994 and 9312, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 99949312 in words is "ninety-nine million, nine hundred forty-nine thousand, three hundred twelve".