91488852 has 240 divisors, whose sum is σ = 307359360. Its totient is φ = 23079168.

The previous prime is 91488847. The next prime is 91488853. The reversal of 91488852 is 25888419.

It is a happy number.

91488852 is a `hidden beast` number, since 91 + 488 + 85 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 91488798 and 91488807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91488853) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 854983 + ... + 855089.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^91488852 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 91488852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153679680).

91488852 is an abundant number, since it is smaller than the sum of its proper divisors (215870508).

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

91488852 is a wasteful number, since it uses less digits than its factorization.

91488852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 161 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 91488852 is about 9564.9805018097. The cubic root of 91488852 is about 450.5981379389.

The spelling of 91488852 in words is "ninety-one million, four hundred eighty-eight thousand, eight hundred fifty-two".