1304343768 has 384 divisors, whose sum is σ = 4579545600. Its totient is φ = 299593728.

The previous prime is 1304343763. The next prime is 1304343793. The reversal of 1304343768 is 8673434031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304343763) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30333555 + ... + 30333597.

It is an arithmetic number, because the mean of its divisors is an integer number (11925900).

Almost surely, 2^1304343768 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 1304343768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289772800).

1304343768 is an abundant number, since it is smaller than the sum of its proper divisors (3275201832).

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

1304343768 is a wasteful number, since it uses less digits than its factorization.

1304343768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 1304343768 is about 36115.6997440171. The cubic root of 1304343768 is about 1092.6071105145.

Adding to 1304343768 its reverse (8673434031), we get a palindrome (9977777799).

The spelling of 1304343768 in words is "one billion, three hundred four million, three hundred forty-three thousand, seven hundred sixty-eight".