3866809082 has 12 divisors (see below), whose sum is σ = 6063362970. Its totient is φ = 1849342968.

The previous prime is 3866809081. The next prime is 3866809147. The reversal of 3866809082 is 2809086683.

It can be written as a sum of positive squares in only one way, i.e., 3751440001 + 115369081 = 61249^2 + 10741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3866809082.

It is not an unprimeable number, because it can be changed into a prime (3866809081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1826357 + ... + 1828472.

Almost surely, 2^3866809082 is an apocalyptic number.

3866809082 is a deficient number, since it is larger than the sum of its proper divisors (2196553888).

3866809082 is a wasteful number, since it uses less digits than its factorization.

3866809082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654877 (or 3654854 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 3866809082 is about 62183.6721495281. The cubic root of 3866809082 is about 1569.5828448004.

The spelling of 3866809082 in words is "three billion, eight hundred sixty-six million, eight hundred nine thousand, eighty-two".