3856534201 has 27 divisors (see below), whose sum is σ = 4451950983. Its totient is φ = 3338549760.

The previous prime is 3856534181. The next prime is 3856534237. The reversal of 3856534201 is 1024356583.

The square root of 3856534201 is 62101.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 1604082601 + 2252451600 = 40051^2 + 47460^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3856534201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3856534001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13724181 + ... + 13724461.

Almost surely, 2^3856534201 is an apocalyptic number.

3856534201 is the 62101-st square number.

3856534201 is the 31051-st centered octagonal number.

It is an amenable number.

3856534201 is a deficient number, since it is larger than the sum of its proper divisors (595416782).

3856534201 is an equidigital number, since it uses as much as digits as its factorization.

3856534201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The cubic root of 3856534201 is about 1568.1913803144.

The spelling of 3856534201 in words is "three billion, eight hundred fifty-six million, five hundred thirty-four thousand, two hundred one".