99387432 has 32 divisors (see below), whose sum is σ = 276076800. Its totient is φ = 33129072.

The previous prime is 99387427. The next prime is 99387467. The reversal of 99387432 is 23478399.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 229848 + ... + 230279.

It is an arithmetic number, because the mean of its divisors is an integer number (8627400).

Almost surely, 2^99387432 is an apocalyptic number.

It is an amenable number.

99387432 is an abundant number, since it is smaller than the sum of its proper divisors (176689368).

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

99387432 is a wasteful number, since it uses less digits than its factorization.

99387432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460142 (or 460132 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 99387432 is about 9969.3245508409. The cubic root of 99387432 is about 463.2091785880.

The spelling of 99387432 in words is "ninety-nine million, three hundred eighty-seven thousand, four hundred thirty-two".