3665630 has 16 divisors (see below), whose sum is σ = 6667920. Its totient is φ = 1450752.

The previous prime is 3665609. The next prime is 3665633. The reversal of 3665630 is 365663.

It is a junction number, because it is equal to n+sod(n) for n = 3665593 and 3665602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (416745).

Almost surely, 2^3665630 is an apocalyptic number.

3665630 is a deficient number, since it is larger than the sum of its proper divisors (3002290).

3665630 is a wasteful number, since it uses less digits than its factorization.

3665630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 3665630 is about 1914.5835056220. The cubic root of 3665630 is about 154.1876332169.

The spelling of 3665630 in words is "three million, six hundred sixty-five thousand, six hundred thirty".