3866546427 has 16 divisors (see below), whose sum is σ = 5288009760. Its totient is φ = 2512166400.

The previous prime is 3866546371. The next prime is 3866546443. The reversal of 3866546427 is 7246456683.

It is a happy number.

It is not a de Polignac number, because 3866546427 - 2⁶ = 3866546363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3866546427.

It is not an unprimeable number, because it can be changed into a prime (3866547427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76974 + ... + 116867.

It is an arithmetic number, because the mean of its divisors is an integer number (330500610).

Almost surely, 2^3866546427 is an apocalyptic number.

3866546427 is a deficient number, since it is larger than the sum of its proper divisors (1421463333).

3866546427 is a wasteful number, since it uses less digits than its factorization.

3866546427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194014.

The product of its digits is 5806080, while the sum is 51.

The square root of 3866546427 is about 62181.5601846721. The cubic root of 3866546427 is about 1569.5473057545.

The spelling of 3866546427 in words is "three billion, eight hundred sixty-six million, five hundred forty-six thousand, four hundred twenty-seven".