89441489 has 2 divisors, whose sum is σ = 89441490. Its totient is φ = 89441488.

The previous prime is 89441483. The next prime is 89441491. The reversal of 89441489 is 98414498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65480464 + 23961025 = 8092^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 89441489 - 2¹² = 89437393 is a prime.

Together with 89441491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89441483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44720744 + 44720745.

It is an arithmetic number, because the mean of its divisors is an integer number (44720745).

Almost surely, 2^89441489 is an apocalyptic number.

It is an amenable number.

89441489 is a deficient number, since it is larger than the sum of its proper divisors (1).

89441489 is an equidigital number, since it uses as much as digits as its factorization.

89441489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The square root of 89441489 is about 9457.3510561890. The cubic root of 89441489 is about 447.2115453239.

The spelling of 89441489 in words is "eighty-nine million, four hundred forty-one thousand, four hundred eighty-nine".