99647316 has 72 divisors (see below), whose sum is σ = 264910464. Its totient is φ = 31521600.

The previous prime is 99647309. The next prime is 99647321. The reversal of 99647316 is 61374699.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 124630 + ... + 125426.

It is an arithmetic number, because the mean of its divisors is an integer number (3679312).

Almost surely, 2^99647316 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 99647316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132455232).

99647316 is an abundant number, since it is smaller than the sum of its proper divisors (165263148).

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

99647316 is a wasteful number, since it uses less digits than its factorization.

99647316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 976 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 99647316 is about 9982.3502242708. The cubic root of 99647316 is about 463.6125692308.

The spelling of 99647316 in words is "ninety-nine million, six hundred forty-seven thousand, three hundred sixteen".