91936894 has 8 divisors (see below), whose sum is σ = 157606128. Its totient is φ = 39401520.

The previous prime is 91936849. The next prime is 91936903. The reversal of 91936894 is 49863919.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283447 + ... + 3283474.

It is an arithmetic number, because the mean of its divisors is an integer number (19700766).

Almost surely, 2^91936894 is an apocalyptic number.

91936894 is a deficient number, since it is larger than the sum of its proper divisors (65669234).

91936894 is a wasteful number, since it uses less digits than its factorization.

91936894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566930.

The product of its digits is 419904, while the sum is 49.

The square root of 91936894 is about 9588.3728546610. The cubic root of 91936894 is about 451.3325014451.

The spelling of 91936894 in words is "ninety-one million, nine hundred thirty-six thousand, eight hundred ninety-four".