99344280 has 128 divisors (see below), whose sum is σ = 342766080. Its totient is φ = 22563840.

The previous prime is 99344261. The next prime is 99344299. The reversal of 99344280 is 8244399.

It is an interprime number because it is at equal distance from previous prime (99344261) and next prime (99344299).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190420 + ... + 190940.

It is an arithmetic number, because the mean of its divisors is an integer number (2677860).

Almost surely, 2^99344280 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 99344280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171383040).

99344280 is an abundant number, since it is smaller than the sum of its proper divisors (243421800).

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

99344280 is a wasteful number, since it uses less digits than its factorization.

99344280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 99344280 is about 9967.1600769728. The cubic root of 99344280 is about 463.1421302177.

The spelling of 99344280 in words is "ninety-nine million, three hundred forty-four thousand, two hundred eighty".