91334985 has 32 divisors (see below), whose sum is σ = 167546880. Its totient is φ = 41619648.

The previous prime is 91334983. The next prime is 91334987. The reversal of 91334985 is 58943319.

It is an interprime number because it is at equal distance from previous prime (91334983) and next prime (91334987).

It is not a de Polignac number, because 91334985 - 2¹ = 91334983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91334983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36484 + ... + 38906.

It is an arithmetic number, because the mean of its divisors is an integer number (5235840).

Almost surely, 2^91334985 is an apocalyptic number.

It is an amenable number.

91334985 is a deficient number, since it is larger than the sum of its proper divisors (76211895).

91334985 is a wasteful number, since it uses less digits than its factorization.

91334985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its digits is 116640, while the sum is 42.

The square root of 91334985 is about 9556.9338702326. The cubic root of 91334985 is about 450.3453891561.

The spelling of 91334985 in words is "ninety-one million, three hundred thirty-four thousand, nine hundred eighty-five".