89866800 has 240 divisors, whose sum is σ = 327970080. Its totient is φ = 23362560.

The previous prime is 89866787. The next prime is 89866801. The reversal of 89866800 is 866898.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is not an unprimeable number, because it can be changed into a prime (89866801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 572322 + ... + 572478.

It is an arithmetic number, because the mean of its divisors is an integer number (1366542).

Almost surely, 2^89866800 is an apocalyptic number.

89866800 is a gapful number since it is divisible by the number (80) 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 89866800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163985040).

89866800 is an abundant number, since it is smaller than the sum of its proper divisors (238103280).

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

89866800 is a wasteful number, since it uses less digits than its factorization.

89866800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 89866800 is about 9479.8101246808. The cubic root of 89866800 is about 447.9192828644.

The spelling of 89866800 in words is "eighty-nine million, eight hundred sixty-six thousand, eight hundred".