89261329 has 2 divisors, whose sum is σ = 89261330. Its totient is φ = 89261328.

The previous prime is 89261327. The next prime is 89261357. The reversal of 89261329 is 92316298.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74995600 + 14265729 = 8660^2 + 3777^2 .

It is a cyclic number.

It is not a de Polignac number, because 89261329 - 2¹ = 89261327 is a prime.

Together with 89261327, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89261291 and 89261300.

It is not a weakly prime, because it can be changed into another prime (89261327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44630664 + 44630665.

It is an arithmetic number, because the mean of its divisors is an integer number (44630665).

Almost surely, 2^89261329 is an apocalyptic number.

It is an amenable number.

89261329 is a deficient number, since it is larger than the sum of its proper divisors (1).

89261329 is an equidigital number, since it uses as much as digits as its factorization.

89261329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 89261329 is about 9447.8213890822. The cubic root of 89261329 is about 446.9110740696.

The spelling of 89261329 in words is "eighty-nine million, two hundred sixty-one thousand, three hundred twenty-nine".