91049064 has 32 divisors (see below), whose sum is σ = 239604000. Its totient is φ = 28752192.

The previous prime is 91049041. The next prime is 91049087. The reversal of 91049064 is 46094019.

It is an interprime number because it is at equal distance from previous prime (91049041) and next prime (91049087).

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 7 ways as a sum of consecutive naturals, for example, 99379 + ... + 100290.

It is an arithmetic number, because the mean of its divisors is an integer number (7487625).

Almost surely, 2^91049064 is an apocalyptic number.

It is an amenable number.

91049064 is an abundant number, since it is smaller than the sum of its proper divisors (148554936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91049064 is a wasteful number, since it uses less digits than its factorization.

91049064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199697 (or 199693 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 91049064 is about 9541.9633199882. The cubic root of 91049064 is about 449.8749677322.

The spelling of 91049064 in words is "ninety-one million, forty-nine thousand, sixty-four".