1680002 has 8 divisors (see below), whose sum is σ = 2555712. Its totient is φ = 828100.

The previous prime is 1679981. The next prime is 1680013. The reversal of 1680002 is 2000861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5774 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (319464).

2^1680002 is an apocalyptic number.

1680002 is a deficient number, since it is larger than the sum of its proper divisors (875710).

1680002 is a wasteful number, since it uses less digits than its factorization.

1680002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11904.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1680002 is about 1296.1489111981. The cubic root of 1680002 is about 118.8784862292.

Adding to 1680002 its reverse (2000861), we get a palindrome (3680863).

The spelling of 1680002 in words is "one million, six hundred eighty thousand, two".