2203838 has 16 divisors (see below), whose sum is σ = 4068960. Its totient is φ = 871776.

The previous prime is 2203811. The next prime is 2203843. The reversal of 2203838 is 8383022.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 0 + 3⁹ + 8 + 3¹³ + 8⁵ .

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, 5873 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (254310).

2^2203838 is an apocalyptic number.

2203838 is a deficient number, since it is larger than the sum of its proper divisors (1865122).

2203838 is a wasteful number, since it uses less digits than its factorization.

2203838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2203838 is about 1484.5329231782. The cubic root of 2203838 is about 130.1347321102.

The spelling of 2203838 in words is "two million, two hundred three thousand, eight hundred thirty-eight".