1982648 has 16 divisors (see below), whose sum is σ = 3797280. Its totient is φ = 970048.

The previous prime is 1982641. The next prime is 1982671. The reversal of 1982648 is 8462891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261 + ... + 3012.

It is an arithmetic number, because the mean of its divisors is an integer number (237330).

2^1982648 is an apocalyptic number.

It is an amenable number.

1982648 is a deficient number, since it is larger than the sum of its proper divisors (1814632).

1982648 is a wasteful number, since it uses less digits than its factorization.

1982648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5322 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1982648 is about 1408.0653393930. The cubic root of 1982648 is about 125.6266769576.

The spelling of 1982648 in words is "one million, nine hundred eighty-two thousand, six hundred forty-eight".