606622909 has 4 divisors (see below), whose sum is σ = 614301760. Its totient is φ = 598944060.

The previous prime is 606622903. The next prime is 606622927. The reversal of 606622909 is 909226606.

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 not a de Polignac number, because 606622909 - 2³ = 606622901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606622901) 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 in 3 ways as a sum of consecutive naturals, for example, 3839307 + ... + 3839464.

It is an arithmetic number, because the mean of its divisors is an integer number (153575440).

Almost surely, 2^606622909 is an apocalyptic number.

It is an amenable number.

606622909 is a deficient number, since it is larger than the sum of its proper divisors (7678851).

606622909 is an equidigital number, since it uses as much as digits as its factorization.

606622909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678850.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 606622909 is about 24629.7159748138. The cubic root of 606622909 is about 846.5246374657.

The spelling of 606622909 in words is "six hundred six million, six hundred twenty-two thousand, nine hundred nine".