606830647 has 4 divisors (see below), whose sum is σ = 607830976. Its totient is φ = 605830320.

The previous prime is 606830641. The next prime is 606830659. The reversal of 606830647 is 746038606.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606830647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606830641) 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, 499254 + ... + 500467.

It is an arithmetic number, because the mean of its divisors is an integer number (151957744).

Almost surely, 2^606830647 is an apocalyptic number.

606830647 is a deficient number, since it is larger than the sum of its proper divisors (1000329).

606830647 is an equidigital number, since it uses as much as digits as its factorization.

606830647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000328.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 606830647 is about 24633.9328366382. The cubic root of 606830647 is about 846.6212572177.

The spelling of 606830647 in words is "six hundred six million, eight hundred thirty thousand, six hundred forty-seven".