99444532 has 24 divisors (see below), whose sum is σ = 190858752. Its totient is φ = 44961600.

The previous prime is 99444491. The next prime is 99444539. The reversal of 99444532 is 23544499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99444539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488 + ... + 14320.

It is an arithmetic number, because the mean of its divisors is an integer number (7952448).

Almost surely, 2^99444532 is an apocalyptic number.

It is an amenable number.

99444532 is a deficient number, since it is larger than the sum of its proper divisors (91414220).

99444532 is a wasteful number, since it uses less digits than its factorization.

99444532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12039 (or 12037 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 99444532 is about 9972.1879244226. The cubic root of 99444532 is about 463.2978691464.

The spelling of 99444532 in words is "ninety-nine million, four hundred forty-four thousand, five hundred thirty-two".