1648983 has 32 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 852480.

The previous prime is 1648963. The next prime is 1648987. The reversal of 1648983 is 3898461.

It is not a de Polignac number, because 1648983 - 2⁵ = 1648951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10993 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^1648983 is an apocalyptic number.

1648983 is a deficient number, since it is larger than the sum of its proper divisors (1115817).

1648983 is a wasteful number, since it uses less digits than its factorization.

1648983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its digits is 41472, while the sum is 39.

The square root of 1648983 is about 1284.1273301351. The cubic root of 1648983 is about 118.1422921971.

The spelling of 1648983 in words is "one million, six hundred forty-eight thousand, nine hundred eighty-three".