99390996 has 48 divisors (see below), whose sum is σ = 260075200. Its totient is φ = 32822496.

The previous prime is 99390979. The next prime is 99390997. The reversal of 99390996 is 69909399.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99390997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7551 + ... + 15993.

Almost surely, 2^99390996 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 99390996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130037600).

99390996 is an abundant number, since it is smaller than the sum of its proper divisors (160684204).

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

99390996 is a wasteful number, since it uses less digits than its factorization.

99390996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8565 (or 8557 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The square root of 99390996 is about 9969.5032975570. The cubic root of 99390996 is about 463.2147153638.

The spelling of 99390996 in words is "ninety-nine million, three hundred ninety thousand, nine hundred ninety-six".