99896440 has 64 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 33664128.

The previous prime is 99896413. The next prime is 99896443. The reversal of 99896440 is 4469899.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99896443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13497 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^99896440 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 99896440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

99896440 is an abundant number, since it is smaller than the sum of its proper divisors (161377160).

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

99896440 is a wasteful number, since it uses less digits than its factorization.

99896440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124 (or 6120 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 99896440 is about 9994.8206587212. The cubic root of 99896440 is about 463.9986003723.

The spelling of 99896440 in words is "ninety-nine million, eight hundred ninety-six thousand, four hundred forty".