608491136 has 32 divisors (see below), whose sum is σ = 1322434080. Its totient is φ = 276586240.

The previous prime is 608491123. The next prime is 608491139. The reversal of 608491136 is 631194806.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×608491136² = 740522925181140992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 608491136.

It is not an unprimeable number, because it can be changed into a prime (608491139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214676 + ... + 217491.

It is an arithmetic number, because the mean of its divisors is an integer number (41326065).

Almost surely, 2^608491136 is an apocalyptic number.

It is an amenable number.

608491136 is an abundant number, since it is smaller than the sum of its proper divisors (713942944).

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

608491136 is a wasteful number, since it uses less digits than its factorization.

608491136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432192 (or 432180 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 608491136 is about 24667.6130989603. The cubic root of 608491136 is about 847.3927657038.

The spelling of 608491136 in words is "six hundred eight million, four hundred ninety-one thousand, one hundred thirty-six".