1680708 has 24 divisors (see below), whose sum is σ = 3945312. Its totient is φ = 556864.

The previous prime is 1680703. The next prime is 1680709. The reversal of 1680708 is 8070861.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1680703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416 + ... + 3032.

It is an arithmetic number, because the mean of its divisors is an integer number (164388).

2^1680708 is an apocalyptic number.

It is an amenable number.

1680708 is an abundant number, since it is smaller than the sum of its proper divisors (2264604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1680708 is a wasteful number, since it uses less digits than its factorization.

1680708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1680708 is about 1296.4212278422. The cubic root of 1680708 is about 118.8951363002.

The spelling of 1680708 in words is "one million, six hundred eighty thousand, seven hundred eight".