1006648 has 16 divisors (see below), whose sum is σ = 1953000. Its totient is φ = 485856.

The previous prime is 1006637. The next prime is 1006651. The reversal of 1006648 is 8466001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1938 + ... + 2401.

2^1006648 is an apocalyptic number.

It is an amenable number.

1006648 is a deficient number, since it is larger than the sum of its proper divisors (946352).

1006648 is a wasteful number, since it uses less digits than its factorization.

1006648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1006648 is about 1003.3184937995. The cubic root of 1006648 is about 100.2211107401.

The spelling of 1006648 in words is "one million, six thousand, six hundred forty-eight".