91246448 has 20 divisors (see below), whose sum is σ = 177191040. Its totient is φ = 45519744.

The previous prime is 91246447. The next prime is 91246453. The reversal of 91246448 is 84464219.

It is a super-3 number, since 3×91246448³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91246447) by changing a digit.

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, 1073 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (8859552).

Almost surely, 2^91246448 is an apocalyptic number.

It is an amenable number.

91246448 is a deficient number, since it is larger than the sum of its proper divisors (85944592).

91246448 is a wasteful number, since it uses less digits than its factorization.

91246448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12944 (or 12938 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 91246448 is about 9552.3006652848. The cubic root of 91246448 is about 450.1998256562.

The spelling of 91246448 in words is "ninety-one million, two hundred forty-six thousand, four hundred forty-eight".