2194000 has 40 divisors (see below), whose sum is σ = 5309928. Its totient is φ = 876800.

The previous prime is 2193979. The next prime is 2194013. The reversal of 2194000 is 4912.

It can be written as a sum of positive squares in 4 ways, for example, as 222784 + 1971216 = 472^2 + 1404^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 2548.

2^2194000 is an apocalyptic number.

2194000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2654964).

2194000 is an abundant number, since it is smaller than the sum of its proper divisors (3115928).

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

2194000 is a wasteful number, since it uses less digits than its factorization.

2194000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2194000 is about 1481.2157169028. The cubic root of 2194000 is about 129.9408014490.

Adding to 2194000 its reverse (4912), we get a palindrome (2198912).

The spelling of 2194000 in words is "two million, one hundred ninety-four thousand".