606840646 has 8 divisors (see below), whose sum is σ = 910443600. Its totient is φ = 303359448.

The previous prime is 606840643. The next prime is 606840659. The reversal of 606840646 is 646048606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 606840599 and 606840608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606840643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16746 + ... + 38653.

It is an arithmetic number, because the mean of its divisors is an integer number (113805450).

Almost surely, 2^606840646 is an apocalyptic number.

606840646 is a deficient number, since it is larger than the sum of its proper divisors (303602954).

606840646 is a wasteful number, since it uses less digits than its factorization.

606840646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60878.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 606840646 is about 24634.1357875611. The cubic root of 606840646 is about 846.6259072352.

The spelling of 606840646 in words is "six hundred six million, eight hundred forty thousand, six hundred forty-six".