3668906 has 24 divisors (see below), whose sum is σ = 6128460. Its totient is φ = 1639680.

The previous prime is 3668897. The next prime is 3668909. The reversal of 3668906 is 6098663.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 410881 + 3258025 = 641^2 + 1805^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3668906.

It is not an unprimeable number, because it can be changed into a prime (3668909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60116 + ... + 60176.

Almost surely, 2^3668906 is an apocalyptic number.

3668906 is a deficient number, since it is larger than the sum of its proper divisors (2459554).

3668906 is a wasteful number, since it uses less digits than its factorization.

3668906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 3668906 is about 1915.4388531091. The cubic root of 3668906 is about 154.2335524073.

The spelling of 3668906 in words is "three million, six hundred sixty-eight thousand, nine hundred six".