605505438 has 12 divisors (see below), whose sum is σ = 1311928488. Its totient is φ = 201835140.

The previous prime is 605505437. The next prime is 605505451. The reversal of 605505438 is 834505506.

605505438 is a `hidden beast` number, since 60 + 5 + 50 + 543 + 8 = 666.

605505438 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 not an unprimeable number, because it can be changed into a prime (605505431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16819578 + ... + 16819613.

It is an arithmetic number, because the mean of its divisors is an integer number (109327374).

Almost surely, 2^605505438 is an apocalyptic number.

605505438 is an abundant number, since it is smaller than the sum of its proper divisors (706423050).

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

605505438 is a wasteful number, since it uses less digits than its factorization.

605505438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33639199 (or 33639196 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 605505438 is about 24607.0200958995. The cubic root of 605505438 is about 846.0045185279.

The spelling of 605505438 in words is "six hundred five million, five hundred five thousand, four hundred thirty-eight".