91358914 has 8 divisors (see below), whose sum is σ = 137078928. Its totient is φ = 45665940.

The previous prime is 91358899. The next prime is 91358923. The reversal of 91358914 is 41985319.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9969 + ... + 16795.

It is an arithmetic number, because the mean of its divisors is an integer number (17134866).

Almost surely, 2^91358914 is an apocalyptic number.

91358914 is a deficient number, since it is larger than the sum of its proper divisors (45720014).

91358914 is a wasteful number, since it uses less digits than its factorization.

91358914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520.

The product of its digits is 38880, while the sum is 40.

The square root of 91358914 is about 9558.1857065031. The cubic root of 91358914 is about 450.3847146269.

The spelling of 91358914 in words is "ninety-one million, three hundred fifty-eight thousand, nine hundred fourteen".