89564796 has 72 divisors (see below), whose sum is σ = 233460864. Its totient is φ = 28939680.

The previous prime is 89564791. The next prime is 89564801. The reversal of 89564796 is 69746598.

89564796 is a `hidden beast` number, since 8 + 9 + 564 + 79 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (89564791) and next prime (89564801).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89564791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170991 + ... + 171513.

It is an arithmetic number, because the mean of its divisors is an integer number (3242512).

Almost surely, 2^89564796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89564796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116730432).

89564796 is an abundant number, since it is smaller than the sum of its proper divisors (143896068).

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

89564796 is a wasteful number, since it uses less digits than its factorization.

89564796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 89564796 is about 9463.8679196193. The cubic root of 89564796 is about 447.4169645045.

The spelling of 89564796 in words is "eighty-nine million, five hundred sixty-four thousand, seven hundred ninety-six".