485638647 has 8 divisors (see below), whose sum is σ = 697327344. Its totient is φ = 298854528.

The previous prime is 485638633. The next prime is 485638661. The reversal of 485638647 is 746836584.

It is an interprime number because it is at equal distance from previous prime (485638633) and next prime (485638661).

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

It is not a de Polignac number, because 485638647 - 2¹⁶ = 485573111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485638647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485638607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6226098 + ... + 6226175.

It is an arithmetic number, because the mean of its divisors is an integer number (87165918).

Almost surely, 2^485638647 is an apocalyptic number.

485638647 is a deficient number, since it is larger than the sum of its proper divisors (211688697).

485638647 is a wasteful number, since it uses less digits than its factorization.

485638647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452289.

The product of its digits is 3870720, while the sum is 51.

The square root of 485638647 is about 22037.2105085921. The cubic root of 485638647 is about 786.0275113550.

The spelling of 485638647 in words is "four hundred eighty-five million, six hundred thirty-eight thousand, six hundred forty-seven".