91848441 has 4 divisors (see below), whose sum is σ = 122464592. Its totient is φ = 61232292.

The previous prime is 91848439. The next prime is 91848457. The reversal of 91848441 is 14484819.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 91848441 - 2¹ = 91848439 is a prime.

It is a super-2 number, since 2×91848441² = 16872272228260962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91848441.

It is not an unprimeable number, because it can be changed into a prime (91848401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15308071 + ... + 15308076.

It is an arithmetic number, because the mean of its divisors is an integer number (30616148).

Almost surely, 2^91848441 is an apocalyptic number.

It is an amenable number.

91848441 is a deficient number, since it is larger than the sum of its proper divisors (30616151).

91848441 is a wasteful number, since it uses less digits than its factorization.

91848441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616150.

The product of its digits is 36864, while the sum is 39.

The square root of 91848441 is about 9583.7592311159. The cubic root of 91848441 is about 451.1877118261.

The spelling of 91848441 in words is "ninety-one million, eight hundred forty-eight thousand, four hundred forty-one".