91368241 has 8 divisors (see below), whose sum is σ = 94850280. Its totient is φ = 87908352.

The previous prime is 91368239. The next prime is 91368287. The reversal of 91368241 is 14286319.

It can be written as a sum of positive squares in 4 ways, for example, as 61074225 + 30294016 = 7815^2 + 5504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91368241 - 2¹ = 91368239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91368197 and 91368206.

It is not an unprimeable number, because it can be changed into a prime (91363241) 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 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (11856285).

Almost surely, 2^91368241 is an apocalyptic number.

It is an amenable number.

91368241 is a deficient number, since it is larger than the sum of its proper divisors (3482039).

91368241 is a wasteful number, since it uses less digits than its factorization.

91368241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11075.

The product of its digits is 10368, while the sum is 34.

The square root of 91368241 is about 9558.6736004532. The cubic root of 91368241 is about 450.4000409740.

The spelling of 91368241 in words is "ninety-one million, three hundred sixty-eight thousand, two hundred forty-one".