91409096 has 16 divisors (see below), whose sum is σ = 172446000. Its totient is φ = 45423504.

The previous prime is 91409093. The next prime is 91409147. The reversal of 91409096 is 69090419.

It is a super-3 number, since 3×91409096³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91409093) 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, 33746 + ... + 36353.

It is an arithmetic number, because the mean of its divisors is an integer number (10777875).

Almost surely, 2^91409096 is an apocalyptic number.

It is an amenable number.

91409096 is a deficient number, since it is larger than the sum of its proper divisors (81036904).

91409096 is a wasteful number, since it uses less digits than its factorization.

91409096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70268 (or 70264 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 91409096 is about 9560.8104259001. The cubic root of 91409096 is about 450.4671625891.

The spelling of 91409096 in words is "ninety-one million, four hundred nine thousand, ninety-six".