89181201 has 16 divisors (see below), whose sum is σ = 126619200. Its totient is φ = 55638528.

The previous prime is 89181179. The next prime is 89181241. The reversal of 89181201 is 10218198.

It is not a de Polignac number, because 89181201 - 2¹⁸ = 88919057 is a prime.

It is a super-2 number, since 2×89181201² = 15906573223604802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89181241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4245 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (7913700).

Almost surely, 2^89181201 is an apocalyptic number.

It is an amenable number.

89181201 is a deficient number, since it is larger than the sum of its proper divisors (37437999).

89181201 is a wasteful number, since it uses less digits than its factorization.

89181201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 89181201 is about 9443.5798826504. The cubic root of 89181201 is about 446.7773065071. Note that the first 3 decimals are identical.

Adding to 89181201 its reverse (10218198), we get a palindrome (99399399).

The spelling of 89181201 in words is "eighty-nine million, one hundred eighty-one thousand, two hundred one".