2194384 has 40 divisors (see below), whose sum is σ = 4553280. Its totient is φ = 1022208.

The previous prime is 2194369. The next prime is 2194391. The reversal of 2194384 is 4834912.

2194384 is nontrivially palindromic in base 9.

2194384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2194384² = 9630642278912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24612 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (113832).

2^2194384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276640).

2194384 is an abundant number, since it is smaller than the sum of its proper divisors (2358896).

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

2194384 is a wasteful number, since it uses less digits than its factorization.

2194384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2194384 is about 1481.3453344848. The cubic root of 2194384 is about 129.9483818740.

The spelling of 2194384 in words is "two million, one hundred ninety-four thousand, three hundred eighty-four".