99351808 has 72 divisors (see below), whose sum is σ = 216005832. Its totient is φ = 45416448.

The previous prime is 99351803. The next prime is 99351827. The reversal of 99351808 is 80815399.

It can be written as a sum of positive squares in 4 ways, for example, as 19642624 + 79709184 = 4432^2 + 8928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99351803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160716 + ... + 161332.

It is an arithmetic number, because the mean of its divisors is an integer number (3000081).

Almost surely, 2^99351808 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 99351808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108002916).

99351808 is an abundant number, since it is smaller than the sum of its proper divisors (116654024).

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

99351808 is a wasteful number, since it uses less digits than its factorization.

99351808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 99351808 is about 9967.5377099864. The cubic root of 99351808 is about 463.1538284115.

The spelling of 99351808 in words is "ninety-nine million, three hundred fifty-one thousand, eight hundred eight".