99631896 has 192 divisors, whose sum is σ = 329414400. Its totient is φ = 24893568.

The previous prime is 99631867. The next prime is 99631913. The reversal of 99631896 is 69813699.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5243775 + ... + 5243793.

It is an arithmetic number, because the mean of its divisors is an integer number (1715700).

Almost surely, 2^99631896 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 99631896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164707200).

99631896 is an abundant number, since it is smaller than the sum of its proper divisors (229782504).

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

99631896 is a wasteful number, since it uses less digits than its factorization.

99631896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 44 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 99631896 is about 9981.5778311848. The cubic root of 99631896 is about 463.5886539701.

The spelling of 99631896 in words is "ninety-nine million, six hundred thirty-one thousand, eight hundred ninety-six".