1680304 has 10 divisors (see below), whose sum is σ = 3255620. Its totient is φ = 840144.

The previous prime is 1680277. The next prime is 1680313. The reversal of 1680304 is 4030861.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52494 + ... + 52525.

It is an arithmetic number, because the mean of its divisors is an integer number (325562).

2^1680304 is an apocalyptic number.

It is an amenable number.

1680304 is a deficient number, since it is larger than the sum of its proper divisors (1575316).

1680304 is a wasteful number, since it uses less digits than its factorization.

1680304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105027 (or 105021 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1680304 is about 1296.2654049229. The cubic root of 1680304 is about 118.8856090683.

The spelling of 1680304 in words is "one million, six hundred eighty thousand, three hundred four".