3864953685 has 32 divisors (see below), whose sum is σ = 6733872000. Its totient is φ = 1885476096.

The previous prime is 3864953663. The next prime is 3864953699. The reversal of 3864953685 is 5863594683.

It is a happy number.

It is not a de Polignac number, because 3864953685 - 2⁸ = 3864953429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 225550 + ... + 242079.

It is an arithmetic number, because the mean of its divisors is an integer number (210433500).

Almost surely, 2^3864953685 is an apocalyptic number.

It is an amenable number.

3864953685 is a deficient number, since it is larger than the sum of its proper divisors (2868918315).

3864953685 is a wasteful number, since it uses less digits than its factorization.

3864953685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467685.

The product of its digits is 18662400, while the sum is 57.

The square root of 3864953685 is about 62168.7516763848. The cubic root of 3864953685 is about 1569.3317622198.

The spelling of 3864953685 in words is "three billion, eight hundred sixty-four million, nine hundred fifty-three thousand, six hundred eighty-five".