609536 has 18 divisors (see below), whose sum is σ = 1217202. Its totient is φ = 304640.

The previous prime is 609533. The next prime is 609541. The reversal of 609536 is 635906.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 295936 = 560^2 + 544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 609499 and 609508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 935 + ... + 1446.

2⁶⁰⁹⁵³⁶ is an apocalyptic number.

It is an amenable number.

609536 is a deficient number, since it is larger than the sum of its proper divisors (607666).

609536 is an equidigital number, since it uses as much as digits as its factorization.

609536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 609536 is about 780.7278655204. The cubic root of 609536 is about 84.7877518800.

The spelling of 609536 in words is "six hundred nine thousand, five hundred thirty-six".