1684068 has 12 divisors (see below), whose sum is σ = 3929520. Its totient is φ = 561352.

The previous prime is 1684063. The next prime is 1684079. The reversal of 1684068 is 8604861.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1684063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70158 + ... + 70181.

It is an arithmetic number, because the mean of its divisors is an integer number (327460).

2^1684068 is an apocalyptic number.

It is an amenable number.

1684068 is an abundant number, since it is smaller than the sum of its proper divisors (2245452).

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

1684068 is a wasteful number, since it uses less digits than its factorization.

1684068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140346 (or 140344 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1684068 is about 1297.7164559333. The cubic root of 1684068 is about 118.9743135954.

The spelling of 1684068 in words is "one million, six hundred eighty-four thousand, sixty-eight".