3828247817 has 4 divisors (see below), whose sum is σ = 3917276880. Its totient is φ = 3739218756.

The previous prime is 3828247757. The next prime is 3828247853. The reversal of 3828247817 is 7187428283.

3828247817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3828247817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3828247897) 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, 44514467 + ... + 44514552.

It is an arithmetic number, because the mean of its divisors is an integer number (979319220).

Almost surely, 2^3828247817 is an apocalyptic number.

It is an amenable number.

3828247817 is a deficient number, since it is larger than the sum of its proper divisors (89029063).

3828247817 is an equidigital number, since it uses as much as digits as its factorization.

3828247817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89029062.

The product of its digits is 1204224, while the sum is 50.

The square root of 3828247817 is about 61872.8358571029. The cubic root of 3828247817 is about 1564.3479156192.

The spelling of 3828247817 in words is "three billion, eight hundred twenty-eight million, two hundred forty-seven thousand, eight hundred seventeen".