297606609 has 16 divisors (see below), whose sum is σ = 442176000. Its totient is φ = 197829648.

The previous prime is 297606601. The next prime is 297606623. The reversal of 297606609 is 906606792.

It is not a de Polignac number, because 297606609 - 2³ = 297606601 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (297606601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6369 + ... + 25214.

It is an arithmetic number, because the mean of its divisors is an integer number (27636000).

Almost surely, 2^297606609 is an apocalyptic number.

It is an amenable number.

297606609 is a deficient number, since it is larger than the sum of its proper divisors (144569391).

297606609 is a wasteful number, since it uses less digits than its factorization.

297606609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31941 (or 31935 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 297606609 is about 17251.2784743624. The cubic root of 297606609 is about 667.6479560924.

The spelling of 297606609 in words is "two hundred ninety-seven million, six hundred six thousand, six hundred nine".