2342009 has 4 divisors (see below), whose sum is σ = 2345460. Its totient is φ = 2338560.

The previous prime is 2342003. The next prime is 2342027. The reversal of 2342009 is 9002432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16384 + 2325625 = 128^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2342009 - 2⁴ = 2341993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2342003) 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, 332 + ... + 2189.

It is an arithmetic number, because the mean of its divisors is an integer number (586365).

2^2342009 is an apocalyptic number.

It is an amenable number.

2342009 is a deficient number, since it is larger than the sum of its proper divisors (3451).

2342009 is an equidigital number, since it uses as much as digits as its factorization.

2342009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2342009 is about 1530.3623753870. The cubic root of 2342009 is about 132.7994225370.

The spelling of 2342009 in words is "two million, three hundred forty-two thousand, nine".