3866860633 has 4 divisors (see below), whose sum is σ = 3867292980. Its totient is φ = 3866428288.

The previous prime is 3866860631. The next prime is 3866860661. The reversal of 3866860633 is 3360686683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 986713744 + 2880146889 = 31412^2 + 53667^2 .

It is a cyclic number.

It is not a de Polignac number, because 3866860633 - 2¹ = 3866860631 is a prime.

It is a super-2 number, since 2×3866860633² = 29905222310090321378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3866860631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202468 + ... + 220741.

It is an arithmetic number, because the mean of its divisors is an integer number (966823245).

Almost surely, 2^3866860633 is an apocalyptic number.

It is an amenable number.

3866860633 is a deficient number, since it is larger than the sum of its proper divisors (432347).

3866860633 is an equidigital number, since it uses as much as digits as its factorization.

3866860633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432346.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The square root of 3866860633 is about 62184.0866540629. The cubic root of 3866860633 is about 1569.5898198199.

The spelling of 3866860633 in words is "three billion, eight hundred sixty-six million, eight hundred sixty thousand, six hundred thirty-three".