91994195 has 8 divisors (see below), whose sum is σ = 110972160. Its totient is φ = 73209280.

The previous prime is 91994179. The next prime is 91994197. The reversal of 91994195 is 59149919.

It is a happy number.

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

It is not a de Polignac number, because 91994195 - 2⁴ = 91994179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91994197) 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, 47210 + ... + 49119.

It is an arithmetic number, because the mean of its divisors is an integer number (13871520).

Almost surely, 2^91994195 is an apocalyptic number.

91994195 is a deficient number, since it is larger than the sum of its proper divisors (18977965).

91994195 is a wasteful number, since it uses less digits than its factorization.

91994195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96525.

The product of its digits is 131220, while the sum is 47.

The square root of 91994195 is about 9591.3604353084. The cubic root of 91994195 is about 451.4262484763.

The spelling of 91994195 in words is "ninety-one million, nine hundred ninety-four thousand, one hundred ninety-five".