99479744 has 224 divisors, whose sum is σ = 273100800. Its totient is φ = 34836480.

The previous prime is 99479741. The next prime is 99479771. The reversal of 99479744 is 44797499.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (99479741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3209009 + ... + 3209039.

It is an arithmetic number, because the mean of its divisors is an integer number (1219200).

Almost surely, 2^99479744 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 99479744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136550400).

99479744 is an abundant number, since it is smaller than the sum of its proper divisors (173621056).

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

99479744 is a wasteful number, since it uses less digits than its factorization.

99479744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 101 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 99479744 is about 9973.9532784147. The cubic root of 99479744 is about 463.3525452529.

It can be divided in two parts, 9947 and 9744, that added together give a palindrome (19691).

The spelling of 99479744 in words is "ninety-nine million, four hundred seventy-nine thousand, seven hundred forty-four".