1443688794 has 48 divisors (see below), whose sum is σ = 3339940032. Its totient is φ = 449596224.

The previous prime is 1443688721. The next prime is 1443688823. The reversal of 1443688794 is 4978863441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443688794.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22747 + ... + 58350.

It is an arithmetic number, because the mean of its divisors is an integer number (69582084).

Almost surely, 2^1443688794 is an apocalyptic number.

1443688794 is an abundant number, since it is smaller than the sum of its proper divisors (1896251238).

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

1443688794 is a wasteful number, since it uses less digits than its factorization.

1443688794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81171 (or 81168 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 1443688794 is about 37995.9049635615. The cubic root of 1443688794 is about 1130.2066591513.

The spelling of 1443688794 in words is "one billion, four hundred forty-three million, six hundred eighty-eight thousand, seven hundred ninety-four".