609989432 has 16 divisors (see below), whose sum is σ = 1231709640. Its totient is φ = 281533536.

The previous prime is 609989389. The next prime is 609989441. The reversal of 609989432 is 234989906.

609989432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932538 + ... + 2932745.

Almost surely, 2^609989432 is an apocalyptic number.

It is an amenable number.

609989432 is an abundant number, since it is smaller than the sum of its proper divisors (621720208).

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

609989432 is a wasteful number, since it uses less digits than its factorization.

609989432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865302 (or 5865298 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 609989432 is about 24697.9641266239. The cubic root of 609989432 is about 848.0877112016.

The spelling of 609989432 in words is "six hundred nine million, nine hundred eighty-nine thousand, four hundred thirty-two".