2194838 has 4 divisors (see below), whose sum is σ = 3292260. Its totient is φ = 1097418.

The previous prime is 2194811. The next prime is 2194847. The reversal of 2194838 is 8384912.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2194798 and 2194807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548708 + ... + 548711.

It is an arithmetic number, because the mean of its divisors is an integer number (823065).

2^2194838 is an apocalyptic number.

2194838 is a deficient number, since it is larger than the sum of its proper divisors (1097422).

2194838 is a wasteful number, since it uses less digits than its factorization.

2194838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097421.

The product of its digits is 13824, while the sum is 35.

The square root of 2194838 is about 1481.4985656422. The cubic root of 2194838 is about 129.9573430064.

The spelling of 2194838 in words is "two million, one hundred ninety-four thousand, eight hundred thirty-eight".