89448419 has 2 divisors, whose sum is σ = 89448420. Its totient is φ = 89448418.

The previous prime is 89448389. The next prime is 89448421. The reversal of 89448419 is 91484498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89448419 - 2¹⁶ = 89382883 is a prime.

It is a super-2 number, since 2×89448419² = 16002039323199122, which contains 22 as substring.

Together with 89448421, 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 (89448479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44724209 + 44724210.

It is an arithmetic number, because the mean of its divisors is an integer number (44724210).

Almost surely, 2^89448419 is an apocalyptic number.

89448419 is a deficient number, since it is larger than the sum of its proper divisors (1).

89448419 is an equidigital number, since it uses as much as digits as its factorization.

89448419 is an odious number, because the sum of its binary digits is odd.

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

The square root of 89448419 is about 9457.7174307546. The cubic root of 89448419 is about 447.2230951315.

The spelling of 89448419 in words is "eighty-nine million, four hundred forty-eight thousand, four hundred nineteen".