606489128 has 64 divisors (see below), whose sum is σ = 1338163200. Its totient is φ = 252308160.

The previous prime is 606489073. The next prime is 606489137. The reversal of 606489128 is 821984606.

It is a happy number.

It is a Cunningham number, because it is equal to 24627²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343913 + ... + 345671.

It is an arithmetic number, because the mean of its divisors is an integer number (20908800).

Almost surely, 2^606489128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606489128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669081600).

606489128 is an abundant number, since it is smaller than the sum of its proper divisors (731674072).

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

606489128 is a wasteful number, since it uses less digits than its factorization.

606489128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 606489128 is about 24626.9999796971. Note that the first 4 decimals coincide. The cubic root of 606489128 is about 846.4624037249.

The spelling of 606489128 in words is "six hundred six million, four hundred eighty-nine thousand, one hundred twenty-eight".