89660592 has 180 divisors, whose sum is σ = 297152856. Its totient is φ = 25159680.

The previous prime is 89660581. The next prime is 89660617. The reversal of 89660592 is 29506698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 684367 + ... + 684497.

Almost surely, 2^89660592 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 89660592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148576428).

89660592 is an abundant number, since it is smaller than the sum of its proper divisors (207492264).

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

89660592 is a wasteful number, since it uses less digits than its factorization.

89660592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 89660592 is about 9468.9277112036. The cubic root of 89660592 is about 447.5764225566.

The spelling of 89660592 in words is "eighty-nine million, six hundred sixty thousand, five hundred ninety-two".