3642909 has 12 divisors (see below), whose sum is σ = 4997664. Its totient is φ = 2360304.

The previous prime is 3642883. The next prime is 3642911. The reversal of 3642909 is 9092463.

It is not a de Polignac number, because 3642909 - 2¹³ = 3634717 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3642909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642959) 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 11 ways as a sum of consecutive naturals, for example, 3664 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (416472).

Almost surely, 2^3642909 is an apocalyptic number.

It is an amenable number.

3642909 is a deficient number, since it is larger than the sum of its proper divisors (1354755).

3642909 is an equidigital number, since it uses as much as digits as its factorization.

3642909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3642909 is about 1908.6406157263. The cubic root of 3642909 is about 153.8684010968.

The spelling of 3642909 in words is "three million, six hundred forty-two thousand, nine hundred nine".