606648647 has 16 divisors (see below), whose sum is σ = 670298112. Its totient is φ = 544461120.

The previous prime is 606648629. The next prime is 606648659. The reversal of 606648647 is 746846606.

It is a cyclic number.

It is not a de Polignac number, because 606648647 - 2¹² = 606644551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606648617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316163 + ... + 318075.

It is an arithmetic number, because the mean of its divisors is an integer number (41893632).

Almost surely, 2^606648647 is an apocalyptic number.

606648647 is a deficient number, since it is larger than the sum of its proper divisors (63649465).

606648647 is a wasteful number, since it uses less digits than its factorization.

606648647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 606648647 is about 24630.2384681919. The cubic root of 606648647 is about 846.5366095067.

The spelling of 606648647 in words is "six hundred six million, six hundred forty-eight thousand, six hundred forty-seven".