1684002 has 16 divisors (see below), whose sum is σ = 3380832. Its totient is φ = 559200.

The previous prime is 1683977. The next prime is 1684019. The reversal of 1684002 is 2004861.

It is a self number, because there is not a number n which added to its sum of digits gives 1684002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (211302).

2^1684002 is an apocalyptic number.

1684002 is an abundant number, since it is smaller than the sum of its proper divisors (1696830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1684002 is a wasteful number, since it uses less digits than its factorization.

1684002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1684002 is about 1297.6910264004. The cubic root of 1684002 is about 118.9727593416.

Adding to 1684002 its reverse (2004861), we get a palindrome (3688863).

The spelling of 1684002 in words is "one million, six hundred eighty-four thousand, two".