89432769 has 8 divisors (see below), whose sum is σ = 119295072. Its totient is φ = 59596160.

The previous prime is 89432747. The next prime is 89432797. The reversal of 89432769 is 96723498.

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 89432769 - 2⁸ = 89432513 is a prime.

It is a super-2 number, since 2×89432769² = 15996440342014722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89432719) 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, 4222 + ... + 14024.

It is an arithmetic number, because the mean of its divisors is an integer number (14911884).

Almost surely, 2^89432769 is an apocalyptic number.

It is an amenable number.

89432769 is a deficient number, since it is larger than the sum of its proper divisors (29862303).

89432769 is a wasteful number, since it uses less digits than its factorization.

89432769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847.

The product of its digits is 653184, while the sum is 48.

The square root of 89432769 is about 9456.8900279109. The cubic root of 89432769 is about 447.1970113850.

The spelling of 89432769 in words is "eighty-nine million, four hundred thirty-two thousand, seven hundred sixty-nine".