89849089 has 4 divisors (see below), whose sum is σ = 98017200. Its totient is φ = 81680980.

The previous prime is 89849051. The next prime is 89849093. The reversal of 89849089 is 98094898.

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 a de Polignac number, because none of the positive numbers 2^k-89849089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89849099) 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, 4084039 + ... + 4084060.

It is an arithmetic number, because the mean of its divisors is an integer number (24504300).

Almost surely, 2^89849089 is an apocalyptic number.

It is an amenable number.

89849089 is a deficient number, since it is larger than the sum of its proper divisors (8168111).

89849089 is a wasteful number, since it uses less digits than its factorization.

89849089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168110.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 89849089 is about 9478.8759354683. The cubic root of 89849089 is about 447.8898555355.

The spelling of 89849089 in words is "eighty-nine million, eight hundred forty-nine thousand, eighty-nine".