609247634 has 8 divisors (see below), whose sum is σ = 926390460. Its totient is φ = 300450816.

The previous prime is 609247633. The next prime is 609247637. The reversal of 609247634 is 436742906.

It can be written as a sum of positive squares in 2 ways, for example, as 600397009 + 8850625 = 24503^2 + 2975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 609247591 and 609247600.

It is not an unprimeable number, because it can be changed into a prime (609247633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086319 + ... + 2086610.

Almost surely, 2^609247634 is an apocalyptic number.

609247634 is a deficient number, since it is larger than the sum of its proper divisors (317142826).

609247634 is a wasteful number, since it uses less digits than its factorization.

609247634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173004.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 609247634 is about 24682.9421666057. The cubic root of 609247634 is about 847.7437899662.

The spelling of 609247634 in words is "six hundred nine million, two hundred forty-seven thousand, six hundred thirty-four".