89638200 has 144 divisors (see below), whose sum is σ = 316999800. Its totient is φ = 22636800.

The previous prime is 89638193. The next prime is 89638201. The reversal of 89638200 is 283698.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89638201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32890 + ... + 35510.

Almost surely, 2^89638200 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 89638200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158499900).

89638200 is an abundant number, since it is smaller than the sum of its proper divisors (227361600).

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

89638200 is a wasteful number, since it uses less digits than its factorization.

89638200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 89638200 is about 9467.7452437209. The cubic root of 89638200 is about 447.5391599367.

The spelling of 89638200 in words is "eighty-nine million, six hundred thirty-eight thousand, two hundred".