1680334 has 8 divisors (see below), whose sum is σ = 2630160. Its totient is φ = 803616.

The previous prime is 1680323. The next prime is 1680359. The reversal of 1680334 is 4330861.

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

It is a super-3 number, since 3×1680334³ = 14233381821238499112, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1680299 and 1680308.

It is a congruent number.

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, 18219 + ... + 18310.

It is an arithmetic number, because the mean of its divisors is an integer number (328770).

2^1680334 is an apocalyptic number.

1680334 is a deficient number, since it is larger than the sum of its proper divisors (949826).

1680334 is a wasteful number, since it uses less digits than its factorization.

1680334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36554.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1680334 is about 1296.2769765756. The cubic root of 1680334 is about 118.8863165885.

The spelling of 1680334 in words is "one million, six hundred eighty thousand, three hundred thirty-four".