949609 has 2 divisors, whose sum is σ = 949610. Its totient is φ = 949608.

The previous prime is 949607. The next prime is 949621. The reversal of 949609 is 906949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760384 + 189225 = 872^2 + 435^2 .

It is an emirp because it is prime and its reverse (906949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 949609 - 2¹ = 949607 is a prime.

Together with 949607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (949607) 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 as a sum of consecutive naturals, namely, 474804 + 474805.

It is an arithmetic number, because the mean of its divisors is an integer number (474805).

2⁹⁴⁹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

949609 is a deficient number, since it is larger than the sum of its proper divisors (1).

949609 is an equidigital number, since it uses as much as digits as its factorization.

949609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 949609 is about 974.4788350703. The cubic root of 949609 is about 98.2912686756.

The spelling of 949609 in words is "nine hundred forty-nine thousand, six hundred nine".