3865602231 has 16 divisors (see below), whose sum is σ = 6028230400. Its totient is φ = 2441432664.

The previous prime is 3865602229. The next prime is 3865602259. The reversal of 3865602231 is 1322065683.

It is a happy number.

3865602231 is a `hidden beast` number, since 386 + 56 + 0 + 223 + 1 = 666.

It is not a de Polignac number, because 3865602231 - 2¹ = 3865602229 is a prime.

It is a super-2 number, since 2×3865602231² = 29885761216624354722, 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 (3865602131) 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, 3767131 + ... + 3768156.

It is an arithmetic number, because the mean of its divisors is an integer number (376764400).

Almost surely, 2^3865602231 is an apocalyptic number.

3865602231 is a deficient number, since it is larger than the sum of its proper divisors (2162628169).

3865602231 is a wasteful number, since it uses less digits than its factorization.

3865602231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535315 (or 7535309 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3865602231 is about 62173.9674703167. The cubic root of 3865602231 is about 1569.4195361835.

The spelling of 3865602231 in words is "three billion, eight hundred sixty-five million, six hundred two thousand, two hundred thirty-one".