99688532 has 12 divisors (see below), whose sum is σ = 182040096. Its totient is φ = 47677080.

The previous prime is 99688531. The next prime is 99688541. The reversal of 99688532 is 23588699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99688531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 541694 + ... + 541877.

It is an arithmetic number, because the mean of its divisors is an integer number (15170008).

Almost surely, 2^99688532 is an apocalyptic number.

99688532 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99688532 is a deficient number, since it is larger than the sum of its proper divisors (82351564).

99688532 is a wasteful number, since it uses less digits than its factorization.

99688532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083598 (or 1083596 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 99688532 is about 9984.4144545386. The cubic root of 99688532 is about 463.6764800398.

The spelling of 99688532 in words is "ninety-nine million, six hundred eighty-eight thousand, five hundred thirty-two".