1680332 has 12 divisors (see below), whose sum is σ = 2950080. Its totient is φ = 837456.

The previous prime is 1680323. The next prime is 1680359. The reversal of 1680332 is 2330861.

It is a super-3 number, since 3×1680332³ = 14233330997896663104, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1680298 and 1680307.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1478 + ... + 2354.

It is an arithmetic number, because the mean of its divisors is an integer number (245840).

2^1680332 is an apocalyptic number.

It is an amenable number.

1680332 is a deficient number, since it is larger than the sum of its proper divisors (1269748).

1680332 is a wasteful number, since it uses less digits than its factorization.

1680332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1680332 is about 1296.2762051353. The cubic root of 1680332 is about 118.8862694208.

The spelling of 1680332 in words is "one million, six hundred eighty thousand, three hundred thirty-two".