99615744 has 110 divisors (see below), whose sum is σ = 297719774. Its totient is φ = 33177600.

The previous prime is 99615743. The next prime is 99615749. The reversal of 99615744 is 44751699.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 47775744 = 7200^2 + 6912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99615744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99615743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82344 + ... + 83544.

Almost surely, 2^99615744 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 99615744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148859887).

99615744 is an abundant number, since it is smaller than the sum of its proper divisors (198104030).

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

99615744 is a wasteful number, since it uses less digits than its factorization.

99615744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1206 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 99615744 is about 9980.7687078702. The cubic root of 99615744 is about 463.5636007863.

The spelling of 99615744 in words is "ninety-nine million, six hundred fifteen thousand, seven hundred forty-four".