991194 has 24 divisors (see below), whose sum is σ = 2074752. Its totient is φ = 315360.

The previous prime is 991187. The next prime is 991201. The reversal of 991194 is 491199.

It is an interprime number because it is at equal distance from previous prime (991187) and next prime (991201).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 991194.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13542 + ... + 13614.

It is an arithmetic number, because the mean of its divisors is an integer number (86448).

2⁹⁹¹¹⁹⁴ is an apocalyptic number.

991194 is an abundant number, since it is smaller than the sum of its proper divisors (1083558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

991194 is a wasteful number, since it uses less digits than its factorization.

991194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 109 counting only the distinct ones).

The product of its digits is 2916, while the sum is 33.

The square root of 991194 is about 995.5872638800. The cubic root of 991194 is about 99.7056008084.

The spelling of 991194 in words is "nine hundred ninety-one thousand, one hundred ninety-four".