4349396728 has 16 divisors (see below), whose sum is σ = 8166347280. Its totient is φ = 2171704128.

The previous prime is 4349396707. The next prime is 4349396729. The reversal of 4349396728 is 8276939434.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4349396729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368101 + ... + 379732.

It is an arithmetic number, because the mean of its divisors is an integer number (510396705).

Almost surely, 2^4349396728 is an apocalyptic number.

It is an amenable number.

4349396728 is a deficient number, since it is larger than the sum of its proper divisors (3816950552).

4349396728 is a wasteful number, since it uses less digits than its factorization.

4349396728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748566 (or 748562 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 55.

The square root of 4349396728 is about 65949.9562395609. The cubic root of 4349396728 is about 1632.3364348287.

The spelling of 4349396728 in words is "four billion, three hundred forty-nine million, three hundred ninety-six thousand, seven hundred twenty-eight".