99913744 has 60 divisors (see below), whose sum is σ = 232508928. Its totient is φ = 41428800.

The previous prime is 99913741. The next prime is 99913753. The reversal of 99913744 is 44731999.

It is a junction number, because it is equal to n+sod(n) for n = 99913694 and 99913703.

It is not an unprimeable number, because it can be changed into a prime (99913741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22249 + ... + 26359.

Almost surely, 2^99913744 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 99913744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116254464).

99913744 is an abundant number, since it is smaller than the sum of its proper divisors (132595184).

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

99913744 is a wasteful number, since it uses less digits than its factorization.

99913744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4151 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 99913744 is about 9995.6862695865. The cubic root of 99913744 is about 464.0253900098.

The spelling of 99913744 in words is "ninety-nine million, nine hundred thirteen thousand, seven hundred forty-four".