609268947 has 32 divisors (see below), whose sum is σ = 963379200. Its totient is φ = 335158560.

The previous prime is 609268921. The next prime is 609268969. The reversal of 609268947 is 749862906.

It is a happy number.

It is not a de Polignac number, because 609268947 - 2⁸ = 609268691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 609268947.

It is not an unprimeable number, because it can be changed into a prime (609268997) 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 31 ways as a sum of consecutive naturals, for example, 127198 + ... + 131900.

It is an arithmetic number, because the mean of its divisors is an integer number (30105600).

Almost surely, 2^609268947 is an apocalyptic number.

609268947 is a deficient number, since it is larger than the sum of its proper divisors (354110253).

609268947 is a wasteful number, since it uses less digits than its factorization.

609268947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 609268947 is about 24683.3738982336. The cubic root of 609268947 is about 847.7536752475.

The spelling of 609268947 in words is "six hundred nine million, two hundred sixty-eight thousand, nine hundred forty-seven".