89529449 has 2 divisors, whose sum is σ = 89529450. Its totient is φ = 89529448.

The previous prime is 89529437. The next prime is 89529469. The reversal of 89529449 is 94492598.

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., 87984400 + 1545049 = 9380^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 89529449 - 2²⁴ = 72752233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89529397 and 89529406.

It is not a weakly prime, because it can be changed into another prime (89529469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44764724 + 44764725.

It is an arithmetic number, because the mean of its divisors is an integer number (44764725).

Almost surely, 2^89529449 is an apocalyptic number.

It is an amenable number.

89529449 is a deficient number, since it is larger than the sum of its proper divisors (1).

89529449 is an equidigital number, since it uses as much as digits as its factorization.

89529449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 89529449 is about 9462.0002642148. Note that the first 3 decimals coincide. The cubic root of 89529449 is about 447.3580986366.

The spelling of 89529449 in words is "eighty-nine million, five hundred twenty-nine thousand, four hundred forty-nine".