1609344268 has 24 divisors (see below), whose sum is σ = 3220093184. Its totient is φ = 689418000.

The previous prime is 1609344229. The next prime is 1609344271. The reversal of 1609344268 is 8624439061.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60163 + ... + 82693.

Almost surely, 2^1609344268 is an apocalyptic number.

It is an amenable number.

1609344268 is an abundant number, since it is smaller than the sum of its proper divisors (1610748916).

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

1609344268 is a wasteful number, since it uses less digits than its factorization.

1609344268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25093 (or 25091 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1609344268 is about 40116.6333083922. The cubic root of 1609344268 is about 1171.8795775660.

The spelling of 1609344268 in words is "one billion, six hundred nine million, three hundred forty-four thousand, two hundred sixty-eight".