89712200 has 24 divisors (see below), whose sum is σ = 208581330. Its totient is φ = 35884800.

The previous prime is 89712191. The next prime is 89712221. The reversal of 89712200 is 221798.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 79459396 + 10252804 = 8914^2 + 3202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224081 + ... + 224480.

Almost surely, 2^89712200 is an apocalyptic number.

It is an amenable number.

89712200 is an abundant number, since it is smaller than the sum of its proper divisors (118869130).

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

89712200 is a wasteful number, since it uses less digits than its factorization.

89712200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448577 (or 448568 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 89712200 is about 9471.6524429479. The cubic root of 89712200 is about 447.6622800225.

Adding to 89712200 its reverse (221798), we get a palindrome (89933998).

The spelling of 89712200 in words is "eighty-nine million, seven hundred twelve thousand, two hundred".