99999032 has 64 divisors (see below), whose sum is σ = 236805120. Its totient is φ = 38573568.

The previous prime is 99998999. The next prime is 99999043. The reversal of 99999032 is 23099999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19613 + ... + 24179.

It is an arithmetic number, because the mean of its divisors is an integer number (3700080).

Almost surely, 2^99999032 is an apocalyptic number.

99999032 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99999032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118402560).

99999032 is an abundant number, since it is smaller than the sum of its proper divisors (136806088).

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

99999032 is a wasteful number, since it uses less digits than its factorization.

99999032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620 (or 4616 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 50.

The square root of 99999032 is about 9999.9515998829. The cubic root of 99999032 is about 464.1573856704.

The spelling of 99999032 in words is "ninety-nine million, nine hundred ninety-nine thousand, thirty-two".