2161194 has 24 divisors (see below), whose sum is σ = 5028768. Its totient is φ = 617400.

The previous prime is 2161189. The next prime is 2161199. The reversal of 2161194 is 4911612.

It is an interprime number because it is at equal distance from previous prime (2161189) and next prime (2161199).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2161199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3382 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (209532).

2^2161194 is an apocalyptic number.

2161194 is an abundant number, since it is smaller than the sum of its proper divisors (2867574).

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

2161194 is a wasteful number, since it uses less digits than its factorization.

2161194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370 (or 7363 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 2161194 is about 1470.0999965989. The cubic root of 2161194 is about 129.2898954869.

The spelling of 2161194 in words is "two million, one hundred sixty-one thousand, one hundred ninety-four".