89588909 has 16 divisors (see below), whose sum is σ = 94795008. Its totient is φ = 84575232.

The previous prime is 89588881. The next prime is 89588927. The reversal of 89588909 is 90988598.

It is a cyclic number.

It is not a de Polignac number, because 89588909 - 2¹² = 89584813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89588509) 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 15 ways as a sum of consecutive naturals, for example, 195809 + ... + 196265.

It is an arithmetic number, because the mean of its divisors is an integer number (5924688).

Almost surely, 2^89588909 is an apocalyptic number.

It is an amenable number.

89588909 is a deficient number, since it is larger than the sum of its proper divisors (5206099).

89588909 is a wasteful number, since it uses less digits than its factorization.

89588909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 1866240, while the sum is 56.

The square root of 89588909 is about 9465.1417844637. The cubic root of 89588909 is about 447.4571127090.

The spelling of 89588909 in words is "eighty-nine million, five hundred eighty-eight thousand, nine hundred nine".