1982339 has 4 divisors (see below), whose sum is σ = 1986000. Its totient is φ = 1978680.

The previous prime is 1982293. The next prime is 1982371. The reversal of 1982339 is 9332891.

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

It is a cyclic number.

It is not a de Polignac number, because 1982339 - 2⁸ = 1982083 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1982299 and 1982308.

It is not an unprimeable number, because it can be changed into a prime (1982639) by changing a digit.

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, 839 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (496500).

2^1982339 is an apocalyptic number.

1982339 is a deficient number, since it is larger than the sum of its proper divisors (3661).

1982339 is an equidigital number, since it uses as much as digits as its factorization.

1982339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 11664, while the sum is 35.

The square root of 1982339 is about 1407.9556100957. The cubic root of 1982339 is about 125.6201502216.

The spelling of 1982339 in words is "one million, nine hundred eighty-two thousand, three hundred thirty-nine".