99444534 has 32 divisors (see below), whose sum is σ = 228166656. Its totient is φ = 28304640.

The previous prime is 99444491. The next prime is 99444539. The reversal of 99444534 is 43544499.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7014 + ... + 15750.

It is an arithmetic number, because the mean of its divisors is an integer number (7130208).

Almost surely, 2^99444534 is an apocalyptic number.

99444534 is an abundant number, since it is smaller than the sum of its proper divisors (128722122).

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

99444534 is a wasteful number, since it uses less digits than its factorization.

99444534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020.

The product of its digits is 311040, while the sum is 42.

The square root of 99444534 is about 9972.1880247015. The cubic root of 99444534 is about 463.2978722523.

The spelling of 99444534 in words is "ninety-nine million, four hundred forty-four thousand, five hundred thirty-four".