3638066 has 8 divisors (see below), whose sum is σ = 5471004. Its totient is φ = 1814400.

The previous prime is 3638059. The next prime is 3638077. The reversal of 3638066 is 6608363.

It is a happy number.

3638066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 819025 = 1679^2 + 905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1235 + ... + 2966.

Almost surely, 2^3638066 is an apocalyptic number.

3638066 is a deficient number, since it is larger than the sum of its proper divisors (1832938).

3638066 is a wasteful number, since it uses less digits than its factorization.

3638066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3638066 is about 1907.3714897733. The cubic root of 3638066 is about 153.8001849968.

The spelling of 3638066 in words is "three million, six hundred thirty-eight thousand, sixty-six".