1817968 has 10 divisors (see below), whose sum is σ = 3522344. Its totient is φ = 908976.

The previous prime is 1817947. The next prime is 1817969. The reversal of 1817968 is 8697181.

It is a self number, because there is not a number n which added to its sum of digits gives 1817968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1817969) 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 as a sum of consecutive naturals, namely, 56796 + ... + 56827.

2^1817968 is an apocalyptic number.

It is an amenable number.

1817968 is a deficient number, since it is larger than the sum of its proper divisors (1704376).

1817968 is a wasteful number, since it uses less digits than its factorization.

1817968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113631 (or 113625 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 1817968 is about 1348.3204366915. The cubic root of 1817968 is about 122.0474598115.

The spelling of 1817968 in words is "one million, eight hundred seventeen thousand, nine hundred sixty-eight".