91418241 has 8 divisors (see below), whose sum is σ = 122366304. Its totient is φ = 60707840.

The previous prime is 91418227. The next prime is 91418263. The reversal of 91418241 is 14281419.

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 91418241 - 2⁷ = 91418113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91418199 and 91418208.

It is not an unprimeable number, because it can be changed into a prime (91418221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58515 + ... + 60056.

It is an arithmetic number, because the mean of its divisors is an integer number (15295788).

Almost surely, 2^91418241 is an apocalyptic number.

It is an amenable number.

91418241 is a deficient number, since it is larger than the sum of its proper divisors (30948063).

91418241 is a wasteful number, since it uses less digits than its factorization.

91418241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118831.

The product of its digits is 2304, while the sum is 30.

The square root of 91418241 is about 9561.2886683752. The cubic root of 91418241 is about 450.4821843794.

The spelling of 91418241 in words is "ninety-one million, four hundred eighteen thousand, two hundred forty-one".