2783238 has 8 divisors (see below), whose sum is σ = 5566488. Its totient is φ = 927744.

The previous prime is 2783227. The next prime is 2783243. The reversal of 2783238 is 8323872.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2783238 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2783199 and 2783208.

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, 231931 + ... + 231942.

It is an arithmetic number, because the mean of its divisors is an integer number (695811).

2^2783238 is an apocalyptic number.

2783238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2783238 is a wasteful number, since it uses less digits than its factorization.

2783238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463878.

The product of its digits is 16128, while the sum is 33.

The square root of 2783238 is about 1668.3039291448. The cubic root of 2783238 is about 140.6641571944.

The spelling of 2783238 in words is "two million, seven hundred eighty-three thousand, two hundred thirty-eight".