609852342 has 48 divisors (see below), whose sum is σ = 1354103856. Its totient is φ = 182952000.

The previous prime is 609852323. The next prime is 609852343. The reversal of 609852342 is 243258906.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 609852342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609852343) 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, 69168 + ... + 77484.

It is an arithmetic number, because the mean of its divisors is an integer number (28210497).

Almost surely, 2^609852342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609852342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677051928).

609852342 is an abundant number, since it is smaller than the sum of its proper divisors (744251514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609852342 is a wasteful number, since it uses less digits than its factorization.

609852342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445 (or 8434 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 609852342 is about 24695.1886407049. The cubic root of 609852342 is about 848.0241729121.

The spelling of 609852342 in words is "six hundred nine million, eight hundred fifty-two thousand, three hundred forty-two".