1668234 has 16 divisors (see below), whose sum is σ = 3444480. Its totient is φ = 538080.

The previous prime is 1668229. The next prime is 1668241. The reversal of 1668234 is 4328661.

It is a Curzon number.

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, 4299 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (215280).

2^1668234 is an apocalyptic number.

1668234 is an abundant number, since it is smaller than the sum of its proper divisors (1776246).

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

1668234 is a wasteful number, since it uses less digits than its factorization.

1668234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005.

The product of its digits is 6912, while the sum is 30.

The square root of 1668234 is about 1291.6013316809. The cubic root of 1668234 is about 118.6002640885.

The spelling of 1668234 in words is "one million, six hundred sixty-eight thousand, two hundred thirty-four".