1680088 has 8 divisors (see below), whose sum is σ = 3150180. Its totient is φ = 840040.

The previous prime is 1680079. The next prime is 1680089. The reversal of 1680088 is 8800861.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104998 + ... + 105013.

2^1680088 is an apocalyptic number.

It is an amenable number.

1680088 is a deficient number, since it is larger than the sum of its proper divisors (1470092).

1680088 is a wasteful number, since it uses less digits than its factorization.

1680088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210017 (or 210013 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1680088 is about 1296.1820859740. The cubic root of 1680088 is about 118.8805146743.

The spelling of 1680088 in words is "one million, six hundred eighty thousand, eighty-eight".