609656236 has 36 divisors (see below), whose sum is σ = 1269965928. Its totient is φ = 255201408.

The previous prime is 609656231. The next prime is 609656237. The reversal of 609656236 is 632656906.

It is a happy number.

609656236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 609656192 and 609656201.

It is not an unprimeable number, because it can be changed into a prime (609656231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27741 + ... + 44596.

Almost surely, 2^609656236 is an apocalyptic number.

It is an amenable number.

609656236 is an abundant number, since it is smaller than the sum of its proper divisors (660309692).

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

609656236 is a wasteful number, since it uses less digits than its factorization.

609656236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72398 (or 72389 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 609656236 is about 24691.2177909475. The cubic root of 609656236 is about 847.9332654111.

The spelling of 609656236 in words is "six hundred nine million, six hundred fifty-six thousand, two hundred thirty-six".