3859859860 has 24 divisors (see below), whose sum is σ = 8582512680. Its totient is φ = 1453123584.

The previous prime is 3859859837. The next prime is 3859859863. The reversal of 3859859860 is 689589583.

It can be written as a sum of positive squares in 4 ways, for example, as 1312033284 + 2547826576 = 36222^2 + 50476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3859859863) 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 7 ways as a sum of consecutive naturals, for example, 5675925 + ... + 5676604.

It is an arithmetic number, because the mean of its divisors is an integer number (357604695).

Almost surely, 2^3859859860 is an apocalyptic number.

It is an amenable number.

3859859860 is an abundant number, since it is smaller than the sum of its proper divisors (4722652820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3859859860 is a wasteful number, since it uses less digits than its factorization.

3859859860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352555 (or 11352553 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 61.

The square root of 3859859860 is about 62127.7704412447. The cubic root of 3859859860 is about 1568.6420242609.

The spelling of 3859859860 in words is "three billion, eight hundred fifty-nine million, eight hundred fifty-nine thousand, eight hundred sixty".