89329681 has 8 divisors (see below), whose sum is σ = 103765184. Its totient is φ = 75312720.

The previous prime is 89329673. The next prime is 89329711. The reversal of 89329681 is 18692398.

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

It is not a de Polignac number, because 89329681 - 2³ = 89329673 is a prime.

It is a super-2 number, since 2×89329681² = 15959583815123522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (89329651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104175 + ... + 105028.

It is an arithmetic number, because the mean of its divisors is an integer number (12970648).

Almost surely, 2^89329681 is an apocalyptic number.

It is an amenable number.

89329681 is a deficient number, since it is larger than the sum of its proper divisors (14435503).

89329681 is a wasteful number, since it uses less digits than its factorization.

89329681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209271.

The product of its digits is 186624, while the sum is 46.

The square root of 89329681 is about 9451.4380387325. The cubic root of 89329681 is about 447.0251192453.

The spelling of 89329681 in words is "eighty-nine million, three hundred twenty-nine thousand, six hundred eighty-one".