1343798784 has 120 divisors (see below), whose sum is σ = 3900969072. Its totient is φ = 445317120.

The previous prime is 1343798749. The next prime is 1343798789. The reversal of 1343798784 is 4878973431.

Its product of digits (4064256) is a multiple of the sum of its prime factors (1728).

It is a self number, because there is not a number n which added to its sum of digits gives 1343798784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343798789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888589 + ... + 890099.

Almost surely, 2^1343798784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343798784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950484536).

1343798784 is an abundant number, since it is smaller than the sum of its proper divisors (2557170288).

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

1343798784 is a wasteful number, since it uses less digits than its factorization.

1343798784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1709 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 1343798784 is about 36657.8611487359. The cubic root of 1343798784 is about 1103.5145944221.

The spelling of 1343798784 in words is "one billion, three hundred forty-three million, seven hundred ninety-eight thousand, seven hundred eighty-four".