5906609 has 4 divisors (see below), whose sum is σ = 6044016. Its totient is φ = 5769204.

The previous prime is 5906603. The next prime is 5906611. The reversal of 5906609 is 9066095.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9066095 = 5 ⋅1813219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5906609 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5906603) 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, 68639 + ... + 68724.

It is an arithmetic number, because the mean of its divisors is an integer number (1511004).

Almost surely, 2^5906609 is an apocalyptic number.

It is an amenable number.

5906609 is a deficient number, since it is larger than the sum of its proper divisors (137407).

5906609 is a wasteful number, since it uses less digits than its factorization.

5906609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137406.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 5906609 is about 2430.3516206508. The cubic root of 5906609 is about 180.7643321350.

The spelling of 5906609 in words is "five million, nine hundred six thousand, six hundred nine".