609308397 has 24 divisors (see below), whose sum is σ = 935120160. Its totient is φ = 381218400.

The previous prime is 609308393. The next prime is 609308417. The reversal of 609308397 is 793803906.

It is a happy number.

609308397 is a `hidden beast` number, since 609 + 3 + 0 + 8 + 39 + 7 = 666.

609308397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609308397 - 2² = 609308393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609308393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1647 + ... + 34947.

It is an arithmetic number, because the mean of its divisors is an integer number (38963340).

Almost surely, 2^609308397 is an apocalyptic number.

It is an amenable number.

609308397 is a deficient number, since it is larger than the sum of its proper divisors (325811763).

609308397 is a wasteful number, since it uses less digits than its factorization.

609308397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33433 (or 33430 counting only the distinct ones).

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

The square root of 609308397 is about 24684.1730061997. The cubic root of 609308397 is about 847.7719721265.

The spelling of 609308397 in words is "six hundred nine million, three hundred eight thousand, three hundred ninety-seven".