3630009 has 4 divisors (see below), whose sum is σ = 4840016. Its totient is φ = 2420004.

The previous prime is 3629999. The next prime is 3630019. The reversal of 3630009 is 9000363.

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 an interprime number because it is at equal distance from previous prime (3629999) and next prime (3630019).

It is not a de Polignac number, because 3630009 - 2¹⁵ = 3597241 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604999 + ... + 605004.

It is an arithmetic number, because the mean of its divisors is an integer number (1210004).

Almost surely, 2^3630009 is an apocalyptic number.

It is an amenable number.

3630009 is a deficient number, since it is larger than the sum of its proper divisors (1210007).

3630009 is a wasteful number, since it uses less digits than its factorization.

3630009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210006.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3630009 is about 1905.2582502118. The cubic root of 3630009 is about 153.6865638230.

The spelling of 3630009 in words is "three million, six hundred thirty thousand, nine".