3857605860 has 24 divisors (see below), whose sum is σ = 10801296576. Its totient is φ = 1028694880.

The previous prime is 3857605849. The next prime is 3857605861. The reversal of 3857605860 is 685067583.

It is a super-2 number, since 2×3857605860² = 29762245942212679200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3857605861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32146656 + ... + 32146775.

It is an arithmetic number, because the mean of its divisors is an integer number (450054024).

Almost surely, 2^3857605860 is an apocalyptic number.

3857605860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3857605860 is an abundant number, since it is smaller than the sum of its proper divisors (6943690716).

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

3857605860 is a wasteful number, since it uses less digits than its factorization.

3857605860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64293443 (or 64293441 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 3857605860 is about 62109.6277560895. The cubic root of 3857605860 is about 1568.3366239171.

The spelling of 3857605860 in words is "three billion, eight hundred fifty-seven million, six hundred five thousand, eight hundred sixty".