89105249 has 4 divisors (see below), whose sum is σ = 89131440. Its totient is φ = 89079060.

The previous prime is 89105209. The next prime is 89105257. The reversal of 89105249 is 94250198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89105249 - 2²⁴ = 72328033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89105209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067 + ... + 15104.

It is an arithmetic number, because the mean of its divisors is an integer number (22282860).

Almost surely, 2^89105249 is an apocalyptic number.

It is an amenable number.

89105249 is a deficient number, since it is larger than the sum of its proper divisors (26191).

89105249 is a wasteful number, since it uses less digits than its factorization.

89105249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26190.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 89105249 is about 9439.5576697216. The cubic root of 89105249 is about 446.6504364663.

The spelling of 89105249 in words is "eighty-nine million, one hundred five thousand, two hundred forty-nine".