99084440 has 128 divisors (see below), whose sum is σ = 277724160. Its totient is φ = 30979584.

The previous prime is 99084439. The next prime is 99084443. The reversal of 99084440 is 4448099.

It is a super-2 number, since 2×99084440² = 19635452500227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99084394 and 99084403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99084443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593237 + ... + 593403.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^99084440 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 99084440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138862080).

99084440 is an abundant number, since it is smaller than the sum of its proper divisors (178639720).

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

99084440 is a wasteful number, since it uses less digits than its factorization.

99084440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 99084440 is about 9954.1167363056. The cubic root of 99084440 is about 462.7379870878.

The spelling of 99084440 in words is "ninety-nine million, eighty-four thousand, four hundred forty".