1838668 has 24 divisors (see below), whose sum is σ = 3649520. Its totient is φ = 803520.

The previous prime is 1838659. The next prime is 1838671. The reversal of 1838668 is 8668381.

It is a self number, because there is not a number n which added to its sum of digits gives 1838668.

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, 58 + ... + 1918.

2^1838668 is an apocalyptic number.

It is an amenable number.

1838668 is a deficient number, since it is larger than the sum of its proper divisors (1810852).

1838668 is a wasteful number, since it uses less digits than its factorization.

1838668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 1838668 is about 1355.9749260219. The cubic root of 1838668 is about 122.5089372905.

The spelling of 1838668 in words is "one million, eight hundred thirty-eight thousand, six hundred sixty-eight".