89651500 has 48 divisors (see below), whose sum is σ = 206125920. Its totient is φ = 33969600.

The previous prime is 89651483. The next prime is 89651501. The reversal of 89651500 is 515698.

It is not an unprimeable number, because it can be changed into a prime (89651501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4782 + ... + 14218.

It is an arithmetic number, because the mean of its divisors is an integer number (4294290).

Almost surely, 2^89651500 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 89651500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103062960).

89651500 is an abundant number, since it is smaller than the sum of its proper divisors (116474420).

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

89651500 is a wasteful number, since it uses less digits than its factorization.

89651500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475 (or 9463 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 89651500 is about 9468.4476024320. The cubic root of 89651500 is about 447.5612932700.

The spelling of 89651500 in words is "eighty-nine million, six hundred fifty-one thousand, five hundred".