99317944 has 64 divisors (see below), whose sum is σ = 216833760. Its totient is φ = 42147840.

The previous prime is 99317929. The next prime is 99317951. The reversal of 99317944 is 44971399.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99317894 and 99317903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294544 + ... + 294880.

Almost surely, 2^99317944 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 99317944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108416880).

99317944 is an abundant number, since it is smaller than the sum of its proper divisors (117515816).

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

99317944 is a wasteful number, since it uses less digits than its factorization.

99317944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 564 counting only the distinct ones).

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

The square root of 99317944 is about 9965.8388507942. The cubic root of 99317944 is about 463.1012005365.

The spelling of 99317944 in words is "ninety-nine million, three hundred seventeen thousand, nine hundred forty-four".