1648382 has 4 divisors (see below), whose sum is σ = 2472576. Its totient is φ = 824190.

The previous prime is 1648379. The next prime is 1648391. The reversal of 1648382 is 2838461.

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

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 as a sum of consecutive naturals, namely, 412094 + ... + 412097.

It is an arithmetic number, because the mean of its divisors is an integer number (618144).

2^1648382 is an apocalyptic number.

1648382 is a deficient number, since it is larger than the sum of its proper divisors (824194).

1648382 is an equidigital number, since it uses as much as digits as its factorization.

1648382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824193.

The product of its digits is 9216, while the sum is 32.

The square root of 1648382 is about 1283.8932977471. The cubic root of 1648382 is about 118.1279374614.

The spelling of 1648382 in words is "one million, six hundred forty-eight thousand, three hundred eighty-two".