89891329 has 8 divisors (see below), whose sum is σ = 101445120. Its totient is φ = 78901200.

The previous prime is 89891323. The next prime is 89891363. The reversal of 89891329 is 92319898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89891329 - 2⁷ = 89891201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89891323) 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 7 ways as a sum of consecutive naturals, for example, 140577 + ... + 141214.

It is an arithmetic number, because the mean of its divisors is an integer number (12680640).

Almost surely, 2^89891329 is an apocalyptic number.

It is an amenable number.

89891329 is a deficient number, since it is larger than the sum of its proper divisors (11553791).

89891329 is a wasteful number, since it uses less digits than its factorization.

89891329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281831.

The product of its digits is 279936, while the sum is 49.

The square root of 89891329 is about 9481.1037859524. The cubic root of 89891329 is about 447.9600321088.

The spelling of 89891329 in words is "eighty-nine million, eight hundred ninety-one thousand, three hundred twenty-nine".