91906882 has 8 divisors (see below), whose sum is σ = 137912976. Its totient is φ = 45935892.

The previous prime is 91906877. The next prime is 91906883. The reversal of 91906882 is 28860919.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (91906883) 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, 768 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (17239122).

Almost surely, 2^91906882 is an apocalyptic number.

91906882 is a deficient number, since it is larger than the sum of its proper divisors (46006094).

91906882 is a wasteful number, since it uses less digits than its factorization.

91906882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 91906882 is about 9586.8077064266. The cubic root of 91906882 is about 451.2833849094.

The spelling of 91906882 in words is "ninety-one million, nine hundred six thousand, eight hundred eighty-two".