607909 has 2 divisors, whose sum is σ = 607910. Its totient is φ = 607908.

The previous prime is 607889. The next prime is 607921. The reversal of 607909 is 909706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459684 + 148225 = 678^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 607909 - 2¹¹ = 605861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607939) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303954 + 303955.

It is an arithmetic number, because the mean of its divisors is an integer number (303955).

2⁶⁰⁷⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

607909 is a deficient number, since it is larger than the sum of its proper divisors (1).

607909 is an equidigital number, since it uses as much as digits as its factorization.

607909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 607909 is about 779.6851928824. The cubic root of 607909 is about 84.7122449397.

The spelling of 607909 in words is "six hundred seven thousand, nine hundred nine".