2194944 has 40 divisors (see below), whose sum is σ = 5851560. Its totient is φ = 731136.

The previous prime is 2194939. The next prime is 2194961. The reversal of 2194944 is 4494912.

2194944 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (146289).

2^2194944 is an apocalyptic number.

2194944 is a gapful number since it is divisible by the number (24) 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 2194944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2925780).

2194944 is an abundant number, since it is smaller than the sum of its proper divisors (3656616).

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

2194944 is an equidigital number, since it uses as much as digits as its factorization.

2194944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1434 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2194944 is about 1481.5343397978. The cubic root of 2194944 is about 129.9594350753.

Subtracting 2194944 from its reverse (4494912), we obtain a cube (2299968 = 132³).

The spelling of 2194944 in words is "two million, one hundred ninety-four thousand, nine hundred forty-four".