99443320 has 64 divisors (see below), whose sum is σ = 235548000. Its totient is φ = 37728768.

The previous prime is 99443303. The next prime is 99443347. The reversal of 99443320 is 2334499.

It is a nialpdrome in base 10.

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, 67714 + ... + 69166.

Almost surely, 2^99443320 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 99443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117774000).

99443320 is an abundant number, since it is smaller than the sum of its proper divisors (136104680).

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

99443320 is a wasteful number, since it uses less digits than its factorization.

99443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 99443320 is about 9972.1271552262. The cubic root of 99443320 is about 463.2959869604.

It can be divided in two parts, 9 and 9443320, that added together give a square (9443329 = 3073²).

The spelling of 99443320 in words is "ninety-nine million, four hundred forty-three thousand, three hundred twenty".