3820285065 has 16 divisors (see below), whose sum is σ = 6434164800. Its totient is φ = 1930249152.

The previous prime is 3820284977. The next prime is 3820285069. The reversal of 3820285065 is 5605820283.

3820285065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3820285065 - 2¹⁴ = 3820268681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3820285069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6701970 + ... + 6702539.

It is an arithmetic number, because the mean of its divisors is an integer number (402135300).

Almost surely, 2^3820285065 is an apocalyptic number.

It is an amenable number.

3820285065 is a deficient number, since it is larger than the sum of its proper divisors (2613879735).

3820285065 is a wasteful number, since it uses less digits than its factorization.

3820285065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404536.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 3820285065 is about 61808.4546401218. The cubic root of 3820285065 is about 1563.2625486666.

The spelling of 3820285065 in words is "three billion, eight hundred twenty million, two hundred eighty-five thousand, sixty-five".