1982438 has 16 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 925056.

The previous prime is 1982437. The next prime is 1982443. The reversal of 1982438 is 8342891.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1982398 and 1982407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6620 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

2^1982438 is an apocalyptic number.

1982438 is a deficient number, since it is larger than the sum of its proper divisors (1192762).

1982438 is a wasteful number, since it uses less digits than its factorization.

1982438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

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

The square root of 1982438 is about 1407.9907670152. The cubic root of 1982438 is about 125.6222413856.

The spelling of 1982438 in words is "one million, nine hundred eighty-two thousand, four hundred thirty-eight".