91332801 has 24 divisors (see below), whose sum is σ = 151691904. Its totient is φ = 51871680.

The previous prime is 91332751. The next prime is 91332853. The reversal of 91332801 is 10823319.

It is not a de Polignac number, because 91332801 - 2⁶ = 91332737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91332001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6181 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (6320496).

Almost surely, 2^91332801 is an apocalyptic number.

It is an amenable number.

91332801 is a deficient number, since it is larger than the sum of its proper divisors (60359103).

91332801 is a wasteful number, since it uses less digits than its factorization.

91332801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 91332801 is about 9556.8196069613. The cubic root of 91332801 is about 450.3417995781.

The spelling of 91332801 in words is "ninety-one million, three hundred thirty-two thousand, eight hundred one".