89612329 has 2 divisors, whose sum is σ = 89612330. Its totient is φ = 89612328.

The previous prime is 89612293. The next prime is 89612353. The reversal of 89612329 is 92321698.

It is a happy number.

Together with previous prime (89612293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77915929 + 11696400 = 8827^2 + 3420^2 .

It is a cyclic number.

It is not a de Polignac number, because 89612329 - 2¹⁵ = 89579561 is a prime.

It is a Chen prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 89612291 and 89612300.

It is not a weakly prime, because it can be changed into another prime (89612359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44806164 + 44806165.

It is an arithmetic number, because the mean of its divisors is an integer number (44806165).

Almost surely, 2^89612329 is an apocalyptic number.

It is an amenable number.

89612329 is a deficient number, since it is larger than the sum of its proper divisors (1).

89612329 is an equidigital number, since it uses as much as digits as its factorization.

89612329 is an evil number, because the sum of its binary digits is even.

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

The square root of 89612329 is about 9466.3788747335. The cubic root of 89612329 is about 447.4961001710.

It can be divided in two parts, 896 and 12329, that added together give a square (13225 = 115²).

The spelling of 89612329 in words is "eighty-nine million, six hundred twelve thousand, three hundred twenty-nine".