3851585684 has 48 divisors (see below), whose sum is σ = 7247076480. Its totient is φ = 1785513600.

The previous prime is 3851585663. The next prime is 3851585687. The reversal of 3851585684 is 4865851583.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851585687) 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 15 ways as a sum of consecutive naturals, for example, 2025134 + ... + 2027034.

It is an arithmetic number, because the mean of its divisors is an integer number (150980760).

Almost surely, 2^3851585684 is an apocalyptic number.

It is an amenable number.

3851585684 is a deficient number, since it is larger than the sum of its proper divisors (3395490796).

3851585684 is a wasteful number, since it uses less digits than its factorization.

3851585684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480 (or 2478 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 53.

The square root of 3851585684 is about 62061.1447203482. The cubic root of 3851585684 is about 1567.5203509352.

The spelling of 3851585684 in words is "three billion, eight hundred fifty-one million, five hundred eighty-five thousand, six hundred eighty-four".