89868996 has 72 divisors (see below), whose sum is σ = 262604160. Its totient is φ = 25382016.

The previous prime is 89868991. The next prime is 89869001. The reversal of 89868996 is 69986898.

It is an interprime number because it is at equal distance from previous prime (89868991) and next prime (89869001).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (89868991) 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 23 ways as a sum of consecutive naturals, for example, 20425 + ... + 24431.

It is an arithmetic number, because the mean of its divisors is an integer number (3647280).

Almost surely, 2^89868996 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 89868996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131302080).

89868996 is an abundant number, since it is smaller than the sum of its proper divisors (172735164).

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

89868996 is a wasteful number, since it uses less digits than its factorization.

89868996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113 (or 4108 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The square root of 89868996 is about 9479.9259490779. The cubic root of 89868996 is about 447.9229313112.

The spelling of 89868996 in words is "eighty-nine million, eight hundred sixty-eight thousand, nine hundred ninety-six".