3834260865 has 24 divisors (see below), whose sum is σ = 6651521448. Its totient is φ = 2043256320.

The previous prime is 3834260831. The next prime is 3834260867. The reversal of 3834260865 is 5680624383.

It is a happy number.

3834260865 is a `hidden beast` number, since 3 + 8 + 34 + 2 + 608 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32798529 + 3801462336 = 5727^2 + 61656^2 .

It is not a de Polignac number, because 3834260865 - 2¹¹ = 3834258817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3834260865.

It is not an unprimeable number, because it can be changed into a prime (3834260867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21225 + ... + 90105.

It is an arithmetic number, because the mean of its divisors is an integer number (277146727).

Almost surely, 2^3834260865 is an apocalyptic number.

It is an amenable number.

3834260865 is a deficient number, since it is larger than the sum of its proper divisors (2817260583).

3834260865 is a wasteful number, since it uses less digits than its factorization.

3834260865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70129 (or 70126 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 3834260865 is about 61921.4087775787. The cubic root of 3834260865 is about 1565.1665302007.

The spelling of 3834260865 in words is "three billion, eight hundred thirty-four million, two hundred sixty thousand, eight hundred sixty-five".