1680248 has 8 divisors (see below), whose sum is σ = 3150480. Its totient is φ = 840120.

The previous prime is 1680247. The next prime is 1680253. The reversal of 1680248 is 8420861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1680248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680247) 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 as a sum of consecutive naturals, namely, 105008 + ... + 105023.

It is an arithmetic number, because the mean of its divisors is an integer number (393810).

2^1680248 is an apocalyptic number.

It is an amenable number.

1680248 is a deficient number, since it is larger than the sum of its proper divisors (1470232).

1680248 is a wasteful number, since it uses less digits than its factorization.

1680248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210037 (or 210033 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1680248 is about 1296.2438042282. The cubic root of 1680248 is about 118.8842883414.

The spelling of 1680248 in words is "one million, six hundred eighty thousand, two hundred forty-eight".