91444246 has 8 divisors (see below), whose sum is σ = 139415184. Its totient is φ = 44972520.

The previous prime is 91444219. The next prime is 91444261. The reversal of 91444246 is 64244419.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 374650 + ... + 374893.

It is an arithmetic number, because the mean of its divisors is an integer number (17426898).

Almost surely, 2^91444246 is an apocalyptic number.

91444246 is a deficient number, since it is larger than the sum of its proper divisors (47970938).

91444246 is a wasteful number, since it uses less digits than its factorization.

91444246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749606.

The product of its digits is 27648, while the sum is 34.

The square root of 91444246 is about 9562.6484825073. The cubic root of 91444246 is about 450.5248953251.

The spelling of 91444246 in words is "ninety-one million, four hundred forty-four thousand, two hundred forty-six".