89187201 has 6 divisors (see below), whose sum is σ = 128825970. Its totient is φ = 59458128.

The previous prime is 89187187. The next prime is 89187229. The reversal of 89187201 is 10278198.

It can be written as a sum of positive squares in only one way, i.e., 73977201 + 15210000 = 8601^2 + 3900^2 .

It is not a de Polignac number, because 89187201 - 2⁷ = 89187073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89187271) 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 5 ways as a sum of consecutive naturals, for example, 4954836 + ... + 4954853.

It is an arithmetic number, because the mean of its divisors is an integer number (21470995).

Almost surely, 2^89187201 is an apocalyptic number.

It is an amenable number.

89187201 is a deficient number, since it is larger than the sum of its proper divisors (39638769).

89187201 is a wasteful number, since it uses less digits than its factorization.

89187201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909695 (or 9909692 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 89187201 is about 9443.8975534469. The cubic root of 89187201 is about 446.7873258225.

The spelling of 89187201 in words is "eighty-nine million, one hundred eighty-seven thousand, two hundred one".