99944124 has 72 divisors (see below), whose sum is σ = 280078848. Its totient is φ = 27629280.

The previous prime is 99944111. The next prime is 99944129. The reversal of 99944124 is 42144999.

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 (99944129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15487 + ... + 20969.

It is an arithmetic number, because the mean of its divisors is an integer number (3889984).

Almost surely, 2^99944124 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 99944124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140039424).

99944124 is an abundant number, since it is smaller than the sum of its proper divisors (180134724).

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

99944124 is a wasteful number, since it uses less digits than its factorization.

99944124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5526 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 99944124 is about 9997.2058096250. The cubic root of 99944124 is about 464.0724161152.

The spelling of 99944124 in words is "ninety-nine million, nine hundred forty-four thousand, one hundred twenty-four".