89911650 has 48 divisors (see below), whose sum is σ = 223717824. Its totient is φ = 23897280.

The previous prime is 89911643. The next prime is 89911651. The reversal of 89911650 is 5611998.

It is a junction number, because it is equal to n+sod(n) for n = 89911599 and 89911608.

It is not an unprimeable number, because it can be changed into a prime (89911651) 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, 55147 + ... + 56753.

It is an arithmetic number, because the mean of its divisors is an integer number (4660788).

Almost surely, 2^89911650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89911650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111858912).

89911650 is an abundant number, since it is smaller than the sum of its proper divisors (133806174).

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

89911650 is a wasteful number, since it uses less digits than its factorization.

89911650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 89911650 is about 9482.1753833179. The cubic root of 89911650 is about 447.9937851232.

The spelling of 89911650 in words is "eighty-nine million, nine hundred eleven thousand, six hundred fifty".