89423489 has 4 divisors (see below), whose sum is σ = 89472960. Its totient is φ = 89374020.

The previous prime is 89423483. The next prime is 89423549. The reversal of 89423489 is 98432498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98432498 = 2 ⋅49216249.

It is a cyclic number.

It is not a de Polignac number, because 89423489 - 2¹⁶ = 89357953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89423483) 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 in 3 ways as a sum of consecutive naturals, for example, 21917 + ... + 25674.

It is an arithmetic number, because the mean of its divisors is an integer number (22368240).

Almost surely, 2^89423489 is an apocalyptic number.

It is an amenable number.

89423489 is a deficient number, since it is larger than the sum of its proper divisors (49471).

89423489 is a wasteful number, since it uses less digits than its factorization.

89423489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49470.

The product of its digits is 497664, while the sum is 47.

The square root of 89423489 is about 9456.3993676240. The cubic root of 89423489 is about 447.1815430361.

Subtracting 89423489 from its reverse (98432498), we obtain a palindrome (9009009).

The spelling of 89423489 in words is "eighty-nine million, four hundred twenty-three thousand, four hundred eighty-nine".