386600066 has 16 divisors (see below), whose sum is σ = 590285880. Its totient is φ = 189847680.

The previous prime is 386600063. The next prime is 386600113. The reversal of 386600066 is 660006683.

It can be written as a sum of positive squares in 4 ways, for example, as 350251225 + 36348841 = 18715^2 + 6029^2 .

It is a super-2 number, since 2×386600066² = 298919222062408712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 386599999 and 386600035.

It is not an unprimeable number, because it can be changed into a prime (386600063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96740 + ... + 100656.

Almost surely, 2^386600066 is an apocalyptic number.

386600066 is a deficient number, since it is larger than the sum of its proper divisors (203685814).

386600066 is a wasteful number, since it uses less digits than its factorization.

386600066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 386600066 is about 19662.1480515228. The cubic root of 386600066 is about 728.4850461251.

The spelling of 386600066 in words is "three hundred eighty-six million, six hundred thousand, sixty-six".