609449 has 4 divisors (see below), whose sum is σ = 622464. Its totient is φ = 596436.

The previous prime is 609443. The next prime is 609461. The reversal of 609449 is 944906.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609443) 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, 6437 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (155616).

2⁶⁰⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

609449 is a deficient number, since it is larger than the sum of its proper divisors (13015).

609449 is a wasteful number, since it uses less digits than its factorization.

609449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 609449 is about 780.6721462945. The cubic root of 609449 is about 84.7837177265.

The spelling of 609449 in words is "six hundred nine thousand, four hundred forty-nine".