606215340 has 120 divisors (see below), whose sum is σ = 1948316832. Its totient is φ = 157697280.

The previous prime is 606215339. The next prime is 606215341. The reversal of 606215340 is 43512606.

606215340 is a `hidden beast` number, since 6 + 0 + 621 + 5 + 34 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (606215339) and next prime (606215341).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (606215341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61857 + ... + 70983.

Almost surely, 2^606215340 is an apocalyptic number.

606215340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606215340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974158416).

606215340 is an abundant number, since it is smaller than the sum of its proper divisors (1342101492).

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

606215340 is a wasteful number, since it uses less digits than its factorization.

606215340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189 (or 9178 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 606215340 is about 24621.4406564685. The cubic root of 606215340 is about 846.3350114272.

Adding to 606215340 its reverse (43512606), we get a palindrome (649727946).

The spelling of 606215340 in words is "six hundred six million, two hundred fifteen thousand, three hundred forty".