89808417 has 24 divisors (see below), whose sum is σ = 131919840. Its totient is φ = 58868160.

The previous prime is 89808413. The next prime is 89808427. The reversal of 89808417 is 71480898.

It is not a de Polignac number, because 89808417 - 2² = 89808413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89808413) 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 23 ways as a sum of consecutive naturals, for example, 172117 + ... + 172637.

It is an arithmetic number, because the mean of its divisors is an integer number (5496660).

Almost surely, 2^89808417 is an apocalyptic number.

It is an amenable number.

89808417 is a deficient number, since it is larger than the sum of its proper divisors (42111423).

89808417 is a wasteful number, since it uses less digits than its factorization.

89808417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 89808417 is about 9476.7302905591. The cubic root of 89808417 is about 447.8222632138.

The spelling of 89808417 in words is "eighty-nine million, eight hundred eight thousand, four hundred seventeen".