91964361 has 8 divisors (see below), whose sum is σ = 122839200. Its totient is φ = 61199552.

The previous prime is 91964359. The next prime is 91964377. The reversal of 91964361 is 16346919.

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 91964361 - 2¹ = 91964359 is a prime.

It is a super-3 number, since 3×91964361³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91964311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25536 + ... + 28913.

It is an arithmetic number, because the mean of its divisors is an integer number (15354900).

Almost surely, 2^91964361 is an apocalyptic number.

It is an amenable number.

91964361 is a deficient number, since it is larger than the sum of its proper divisors (30874839).

91964361 is a wasteful number, since it uses less digits than its factorization.

91964361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55015.

The product of its digits is 34992, while the sum is 39.

The square root of 91964361 is about 9589.8050553700. The cubic root of 91964361 is about 451.3774435605.

The spelling of 91964361 in words is "ninety-one million, nine hundred sixty-four thousand, three hundred sixty-one".