3865524869 has 8 divisors (see below), whose sum is σ = 4021164000. Its totient is φ = 3711375472.

The previous prime is 3865524841. The next prime is 3865524893. The reversal of 3865524869 is 9684255683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3865524869 - 2²⁰ = 3864476293 is a prime.

It is a super-2 number, since 2×3865524869² = 29884565025714934322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865526869) 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 7 ways as a sum of consecutive naturals, for example, 367139 + ... + 377520.

It is an arithmetic number, because the mean of its divisors is an integer number (502645500).

Almost surely, 2^3865524869 is an apocalyptic number.

It is an amenable number.

3865524869 is a deficient number, since it is larger than the sum of its proper divisors (155639131).

3865524869 is a wasteful number, since it uses less digits than its factorization.

3865524869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744867.

The product of its digits is 12441600, while the sum is 56.

The square root of 3865524869 is about 62173.3453257905. The cubic root of 3865524869 is about 1569.4090665562.

It can be divided in two parts, 386 and 5524869, that added together give a palindrome (5525255).

The spelling of 3865524869 in words is "three billion, eight hundred sixty-five million, five hundred twenty-four thousand, eight hundred sixty-nine".