1683328 has 16 divisors (see below), whose sum is σ = 3353760. Its totient is φ = 841600.

The previous prime is 1683317. The next prime is 1683359. The reversal of 1683328 is 8233861.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1683328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6448 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (209610).

2^1683328 is an apocalyptic number.

It is an amenable number.

1683328 is a deficient number, since it is larger than the sum of its proper divisors (1670432).

1683328 is an equidigital number, since it uses as much as digits as its factorization.

1683328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13165 (or 13153 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1683328 is about 1297.4313083936. The cubic root of 1683328 is about 118.9568847879.

It can be divided in two parts, 16833 and 28, that added together give a palindrome (16861).

The spelling of 1683328 in words is "one million, six hundred eighty-three thousand, three hundred twenty-eight".