91842441 has 4 divisors (see below), whose sum is σ = 122456592. Its totient is φ = 61228292.

The previous prime is 91842437. The next prime is 91842451. The reversal of 91842441 is 14424819.

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 a cyclic number.

It is not a de Polignac number, because 91842441 - 2² = 91842437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91842451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15307071 + ... + 15307076.

It is an arithmetic number, because the mean of its divisors is an integer number (30614148).

Almost surely, 2^91842441 is an apocalyptic number.

It is an amenable number.

91842441 is a deficient number, since it is larger than the sum of its proper divisors (30614151).

91842441 is a wasteful number, since it uses less digits than its factorization.

91842441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30614150.

The product of its digits is 9216, while the sum is 33.

The square root of 91842441 is about 9583.4461964369. The cubic root of 91842441 is about 451.1778869988.

The spelling of 91842441 in words is "ninety-one million, eight hundred forty-two thousand, four hundred forty-one".