1768838 has 8 divisors (see below), whose sum is σ = 2768688. Its totient is φ = 845944.

The previous prime is 1768831. The next prime is 1768849. The reversal of 1768838 is 8388671.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1768795 and 1768804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19181 + ... + 19272.

It is an arithmetic number, because the mean of its divisors is an integer number (346086).

2^1768838 is an apocalyptic number.

1768838 is a deficient number, since it is larger than the sum of its proper divisors (999850).

1768838 is a wasteful number, since it uses less digits than its factorization.

1768838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38478.

The product of its digits is 64512, while the sum is 41.

The square root of 1768838 is about 1329.9766915251. The cubic root of 1768838 is about 120.9379733549.

The spelling of 1768838 in words is "one million, seven hundred sixty-eight thousand, eight hundred thirty-eight".