99576440 has 16 divisors (see below), whose sum is σ = 224047080. Its totient is φ = 39830560.

The previous prime is 99576439. The next prime is 99576443. The reversal of 99576440 is 4467599.

It is a junction number, because it is equal to n+sod(n) for n = 99576391 and 99576400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99576443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244666 + ... + 1244745.

Almost surely, 2^99576440 is an apocalyptic number.

It is an amenable number.

99576440 is an abundant number, since it is smaller than the sum of its proper divisors (124470640).

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

99576440 is a wasteful number, since it uses less digits than its factorization.

99576440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489422 (or 2489418 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 99576440 is about 9978.7995269972. The cubic root of 99576440 is about 463.5026254832.

The spelling of 99576440 in words is "ninety-nine million, five hundred seventy-six thousand, four hundred forty".