609089432 has 32 divisors (see below), whose sum is σ = 1307577600. Its totient is φ = 260561184.

The previous prime is 609089431. The next prime is 609089477. The reversal of 609089432 is 234980906.

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 609089432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609089431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21869 + ... + 41187.

It is an arithmetic number, because the mean of its divisors is an integer number (40861800).

Almost surely, 2^609089432 is an apocalyptic number.

It is an amenable number.

609089432 is an abundant number, since it is smaller than the sum of its proper divisors (698488168).

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

609089432 is a wasteful number, since it uses less digits than its factorization.

609089432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19895 (or 19891 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 609089432 is about 24679.7372757491. The cubic root of 609089432 is about 847.6704063557.

The spelling of 609089432 in words is "six hundred nine million, eighty-nine thousand, four hundred thirty-two".