606553940 has 24 divisors (see below), whose sum is σ = 1275995112. Its totient is φ = 242196480.

The previous prime is 606553921. The next prime is 606553943. The reversal of 606553940 is 49355606.

It can be written as a sum of positive squares in 4 ways, for example, as 355775044 + 250778896 = 18862^2 + 15836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 606553894 and 606553903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606553943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14741 + ... + 37820.

It is an arithmetic number, because the mean of its divisors is an integer number (53166463).

Almost surely, 2^606553940 is an apocalyptic number.

It is an amenable number.

606553940 is an abundant number, since it is smaller than the sum of its proper divisors (669441172).

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

606553940 is a wasteful number, since it uses less digits than its factorization.

606553940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53147 (or 53145 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 606553940 is about 24628.3158173676. The cubic root of 606553940 is about 846.4925548382.

The spelling of 606553940 in words is "six hundred six million, five hundred fifty-three thousand, nine hundred forty".