1663048 has 16 divisors (see below), whose sum is σ = 3185280. Its totient is φ = 813648.

The previous prime is 1663031. The next prime is 1663073. The reversal of 1663048 is 8403661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^1663048 is an apocalyptic number.

It is an amenable number.

1663048 is a deficient number, since it is larger than the sum of its proper divisors (1522232).

1663048 is a wasteful number, since it uses less digits than its factorization.

1663048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1663048 is about 1289.5921835991. The cubic root of 1663048 is about 118.4772398976.

The spelling of 1663048 in words is "one million, six hundred sixty-three thousand, forty-eight".