2009607 has 4 divisors (see below), whose sum is σ = 2679480. Its totient is φ = 1339736.

The previous prime is 2009603. The next prime is 2009639. The reversal of 2009607 is 7069002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2009607 - 2² = 2009603 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334932 + ... + 334937.

It is an arithmetic number, because the mean of its divisors is an integer number (669870).

2^2009607 is an apocalyptic number.

2009607 is a deficient number, since it is larger than the sum of its proper divisors (669873).

2009607 is an equidigital number, since it uses as much as digits as its factorization.

2009607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669872.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2009607 is about 1417.6060806867. The cubic root of 2009607 is about 126.1935171972.

The spelling of 2009607 in words is "two million, nine thousand, six hundred seven".