3630309 has 4 divisors (see below), whose sum is σ = 4840416. Its totient is φ = 2420204.

The previous prime is 3630281. The next prime is 3630323. The reversal of 3630309 is 9030363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3630309 - 2¹⁵ = 3597541 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605049 + ... + 605054.

It is an arithmetic number, because the mean of its divisors is an integer number (1210104).

Almost surely, 2^3630309 is an apocalyptic number.

It is an amenable number.

3630309 is a deficient number, since it is larger than the sum of its proper divisors (1210107).

3630309 is a wasteful number, since it uses less digits than its factorization.

3630309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210106.

The product of its (nonzero) digits is 1458, while the sum is 24.

The square root of 3630309 is about 1905.3369780698. The cubic root of 3630309 is about 153.6907974855.

The spelling of 3630309 in words is "three million, six hundred thirty thousand, three hundred nine".