1684134 has 12 divisors (see below), whose sum is σ = 3648996. Its totient is φ = 561372.

The previous prime is 1684127. The next prime is 1684169. The reversal of 1684134 is 4314861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1684098 and 1684107.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 46764 + ... + 46799.

It is an arithmetic number, because the mean of its divisors is an integer number (304083).

2^1684134 is an apocalyptic number.

1684134 is an abundant number, since it is smaller than the sum of its proper divisors (1964862).

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

1684134 is a wasteful number, since it uses less digits than its factorization.

1684134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93571 (or 93568 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1684134 is about 1297.7418849679. The cubic root of 1684134 is about 118.9758678085.

Adding to 1684134 its reverse (4314861), we get a palindrome (5998995).

The spelling of 1684134 in words is "one million, six hundred eighty-four thousand, one hundred thirty-four".