2393609 has 4 divisors (see below), whose sum is σ = 2404116. Its totient is φ = 2383104.

The previous prime is 2393591. The next prime is 2393627. The reversal of 2393609 is 9063932.

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

It is an interprime number because it is at equal distance from previous prime (2393591) and next prime (2393627).

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 1882384 = 715^2 + 1372^2 .

It is a cyclic number.

It is not a de Polignac number, because 2393609 - 2²⁰ = 1345033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4904 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (601029).

2^2393609 is an apocalyptic number.

It is an amenable number.

2393609 is a deficient number, since it is larger than the sum of its proper divisors (10507).

2393609 is a wasteful number, since it uses less digits than its factorization.

2393609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 2393609 is about 1547.1292770806. The cubic root of 2393609 is about 133.7676414265.

The spelling of 2393609 in words is "two million, three hundred ninety-three thousand, six hundred nine".