99432624 has 80 divisors (see below), whose sum is σ = 279188480. Its totient is φ = 30378240.

The previous prime is 99432601. The next prime is 99432637. The reversal of 99432624 is 42623499.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26514 + ... + 30030.

It is an arithmetic number, because the mean of its divisors is an integer number (3489856).

Almost surely, 2^99432624 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 99432624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139594240).

99432624 is an abundant number, since it is smaller than the sum of its proper divisors (179755856).

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

99432624 is a wasteful number, since it uses less digits than its factorization.

99432624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3572 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 99432624 is about 9971.5908459984. The cubic root of 99432624 is about 463.2793758512.

The spelling of 99432624 in words is "ninety-nine million, four hundred thirty-two thousand, six hundred twenty-four".