91344441 has 8 divisors (see below), whose sum is σ = 121838944. Its totient is φ = 60873120.

The previous prime is 91344439. The next prime is 91344443. The reversal of 91344441 is 14444319.

It is an interprime number because it is at equal distance from previous prime (91344439) and next prime (91344443).

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

It is not a de Polignac number, because 91344441 - 2¹ = 91344439 is a prime.

It is a super-4 number, since 4×91344441⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91344399 and 91344408.

It is not an unprimeable number, because it can be changed into a prime (91344443) 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, 8301 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (15229868).

Almost surely, 2^91344441 is an apocalyptic number.

It is an amenable number.

91344441 is a deficient number, since it is larger than the sum of its proper divisors (30494503).

91344441 is a wasteful number, since it uses less digits than its factorization.

91344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591.

The product of its digits is 6912, while the sum is 30.

The square root of 91344441 is about 9557.4285767669. The cubic root of 91344441 is about 450.3609301855.

It can be divided in two parts, 913 and 44441, that added together give a palindrome (45354).

The spelling of 91344441 in words is "ninety-one million, three hundred forty-four thousand, four hundred forty-one".