99996120 has 160 divisors (see below), whose sum is σ = 384199200. Its totient is φ = 22851072.

The previous prime is 99996097. The next prime is 99996121. The reversal of 99996120 is 2169999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99996121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20476 + ... + 24884.

It is an arithmetic number, because the mean of its divisors is an integer number (2401245).

Almost surely, 2^99996120 is an apocalyptic number.

99996120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99996120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192099600).

99996120 is an abundant number, since it is smaller than the sum of its proper divisors (284203080).

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

99996120 is a wasteful number, since it uses less digits than its factorization.

99996120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439 (or 4426 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 99996120 is about 9999.8059981182. The cubic root of 99996120 is about 464.1528801621.

The spelling of 99996120 in words is "ninety-nine million, nine hundred ninety-six thousand, one hundred twenty".