1984238 has 8 divisors (see below), whose sum is σ = 3079080. Its totient is φ = 957880.

The previous prime is 1984211. The next prime is 1984247. The reversal of 1984238 is 8324891.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1984198 and 1984207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17048 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (384885).

2^1984238 is an apocalyptic number.

1984238 is a deficient number, since it is larger than the sum of its proper divisors (1094842).

1984238 is a wasteful number, since it uses less digits than its factorization.

1984238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34242.

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

The square root of 1984238 is about 1408.6298307220. The cubic root of 1984238 is about 125.6602504149.

It can be divided in two parts, 1984 and 238, that added together give a palindrome (2222).

The spelling of 1984238 in words is "one million, nine hundred eighty-four thousand, two hundred thirty-eight".