89889345 has 112 divisors (see below), whose sum is σ = 199782912. Its totient is φ = 37791360.

The previous prime is 89889341. The next prime is 89889347. The reversal of 89889345 is 54398898.

It is a happy number.

It is not a de Polignac number, because 89889345 - 2² = 89889341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89889291 and 89889300.

It is not an unprimeable number, because it can be changed into a prime (89889341) 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 111 ways as a sum of consecutive naturals, for example, 331560 + ... + 331830.

It is an arithmetic number, because the mean of its divisors is an integer number (1783776).

Almost surely, 2^89889345 is an apocalyptic number.

It is an amenable number.

89889345 is an abundant number, since it is smaller than the sum of its proper divisors (109893567).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89889345 is a wasteful number, since it uses less digits than its factorization.

89889345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 299 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 89889345 is about 9480.9991562071. Note that the first 3 decimals coincide. The cubic root of 89889345 is about 447.9567364285.

The spelling of 89889345 in words is "eighty-nine million, eight hundred eighty-nine thousand, three hundred forty-five".