99444536 has 16 divisors (see below), whose sum is σ = 189977400. Its totient is φ = 48783904.

The previous prime is 99444491. The next prime is 99444539. The reversal of 99444536 is 63544499.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 116846 + ... + 117693.

Almost surely, 2^99444536 is an apocalyptic number.

It is an amenable number.

99444536 is a deficient number, since it is larger than the sum of its proper divisors (90532864).

99444536 is a wasteful number, since it uses less digits than its factorization.

99444536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234598 (or 234594 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 99444536 is about 9972.1881249804. The cubic root of 99444536 is about 463.2978753582.

The spelling of 99444536 in words is "ninety-nine million, four hundred forty-four thousand, five hundred thirty-six".