91945411 has 8 divisors (see below), whose sum is σ = 97227648. Its totient is φ = 86808000.

The previous prime is 91945409. The next prime is 91945417. The reversal of 91945411 is 11454919.

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

It is a cyclic number.

It is not a de Polignac number, because 91945411 - 2¹ = 91945409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91945417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34900 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (12153456).

Almost surely, 2^91945411 is an apocalyptic number.

91945411 is a deficient number, since it is larger than the sum of its proper divisors (5282237).

91945411 is a wasteful number, since it uses less digits than its factorization.

91945411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72413.

The product of its digits is 6480, while the sum is 34.

The square root of 91945411 is about 9588.8169760404. The cubic root of 91945411 is about 451.3464381070.

The spelling of 91945411 in words is "ninety-one million, nine hundred forty-five thousand, four hundred eleven".