3828861605 has 8 divisors (see below), whose sum is σ = 4622147712. Its totient is φ = 3044746768.

The previous prime is 3828861593. The next prime is 3828861611. The reversal of 3828861605 is 5061688283.

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 3828861605 - 2⁸ = 3828861349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3828861605.

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 7 ways as a sum of consecutive naturals, for example, 2291897 + ... + 2293566.

It is an arithmetic number, because the mean of its divisors is an integer number (577768464).

Almost surely, 2^3828861605 is an apocalyptic number.

It is an amenable number.

3828861605 is a deficient number, since it is larger than the sum of its proper divisors (793286107).

3828861605 is a wasteful number, since it uses less digits than its factorization.

3828861605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585635.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 3828861605 is about 61877.7957348191. The cubic root of 3828861605 is about 1564.4315158034.

The spelling of 3828861605 in words is "three billion, eight hundred twenty-eight million, eight hundred sixty-one thousand, six hundred five".