609886468 has 12 divisors (see below), whose sum is σ = 1068264652. Its totient is φ = 304668000.

The previous prime is 609886451. The next prime is 609886471. The reversal of 609886468 is 864688906.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58951684 + 550934784 = 7678^2 + 23472^2 .

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, 63783 + ... + 72718.

Almost surely, 2^609886468 is an apocalyptic number.

It is an amenable number.

609886468 is a deficient number, since it is larger than the sum of its proper divisors (458378184).

609886468 is a wasteful number, since it uses less digits than its factorization.

609886468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137622 (or 137620 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 609886468 is about 24695.8795753462. The cubic root of 609886468 is about 848.0399904749.

The spelling of 609886468 in words is "six hundred nine million, eight hundred eighty-six thousand, four hundred sixty-eight".