606242840 has 64 divisors (see below), whose sum is σ = 1578700800. Its totient is φ = 205216128.

The previous prime is 606242807. The next prime is 606242843. The reversal of 606242840 is 48242606.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 606242797 and 606242806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606242843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8417 + ... + 35823.

It is an arithmetic number, because the mean of its divisors is an integer number (24667200).

Almost surely, 2^606242840 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 606242840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789350400).

606242840 is an abundant number, since it is smaller than the sum of its proper divisors (972457960).

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

606242840 is a wasteful number, since it uses less digits than its factorization.

606242840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27504 (or 27500 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 606242840 is about 24621.9991064901. Note that the first 3 decimals coincide. The cubic root of 606242840 is about 846.3478087834.

The spelling of 606242840 in words is "six hundred six million, two hundred forty-two thousand, eight hundred forty".