99726216 has 64 divisors (see below), whose sum is σ = 268375680. Its totient is φ = 30766080.

The previous prime is 99726197. The next prime is 99726223. The reversal of 99726216 is 61262799.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22885 + ... + 26891.

It is an arithmetic number, because the mean of its divisors is an integer number (4193370).

Almost surely, 2^99726216 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 99726216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134187840).

99726216 is an abundant number, since it is smaller than the sum of its proper divisors (168649464).

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

99726216 is a wasteful number, since it uses less digits than its factorization.

99726216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4090 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 99726216 is about 9986.3014174418. The cubic root of 99726216 is about 463.7348986057.

The spelling of 99726216 in words is "ninety-nine million, seven hundred twenty-six thousand, two hundred sixteen".