1443868 has 12 divisors (see below), whose sum is σ = 2557800. Its totient is φ = 713072.

The previous prime is 1443859. The next prime is 1443899. The reversal of 1443868 is 8683441.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (213150).

2^1443868 is an apocalyptic number.

It is an amenable number.

1443868 is a deficient number, since it is larger than the sum of its proper divisors (1113932).

1443868 is a wasteful number, since it uses less digits than its factorization.

1443868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4434 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 1443868 is about 1201.6105858389. The cubic root of 1443868 is about 113.0253421638.

The spelling of 1443868 in words is "one million, four hundred forty-three thousand, eight hundred sixty-eight".