1688082 has 16 divisors (see below), whose sum is σ = 3683232. Its totient is φ = 511520.

The previous prime is 1688081. The next prime is 1688101. The reversal of 1688082 is 2808861.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1688081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12723 + ... + 12854.

It is an arithmetic number, because the mean of its divisors is an integer number (230202).

2^1688082 is an apocalyptic number.

1688082 is an abundant number, since it is smaller than the sum of its proper divisors (1995150).

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

1688082 is a wasteful number, since it uses less digits than its factorization.

1688082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1688082 is about 1299.2620982696. The cubic root of 1688082 is about 119.0687642491.

The spelling of 1688082 in words is "one million, six hundred eighty-eight thousand, eighty-two".