609936 has 40 divisors (see below), whose sum is σ = 1604064. Its totient is φ = 199680.

The previous prime is 609929. The next prime is 609979. The reversal of 609936 is 639906.

It is a junction number, because it is equal to n+sod(n) for n = 609897 and 609906.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609936.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4591 + ... + 4721.

2⁶⁰⁹⁹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802032).

609936 is an abundant number, since it is smaller than the sum of its proper divisors (994128).

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

609936 is a wasteful number, since it uses less digits than its factorization.

609936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 609936 is about 780.9839947144. The cubic root of 609936 is about 84.8062947742.

The spelling of 609936 in words is "six hundred nine thousand, nine hundred thirty-six".