99412488 has 128 divisors (see below), whose sum is σ = 324307200. Its totient is φ = 27620352.

The previous prime is 99412457. The next prime is 99412499. The reversal of 99412488 is 88421499.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55056 + ... + 56832.

It is an arithmetic number, because the mean of its divisors is an integer number (2533650).

Almost surely, 2^99412488 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 99412488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162153600).

99412488 is an abundant number, since it is smaller than the sum of its proper divisors (224894712).

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

99412488 is a wasteful number, since it uses less digits than its factorization.

99412488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1826 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 99412488 is about 9970.5811264941. The cubic root of 99412488 is about 463.2481009942.

The spelling of 99412488 in words is "ninety-nine million, four hundred twelve thousand, four hundred eighty-eight".