486647391 has 8 divisors (see below), whose sum is σ = 655287984. Its totient is φ = 321219200.

The previous prime is 486647387. The next prime is 486647407. The reversal of 486647391 is 193746684.

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

It is a cyclic number.

It is not a de Polignac number, because 486647391 - 2² = 486647387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 486647391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486647311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802746 + ... + 803351.

It is an arithmetic number, because the mean of its divisors is an integer number (81910998).

Almost surely, 2^486647391 is an apocalyptic number.

486647391 is a deficient number, since it is larger than the sum of its proper divisors (168640593).

486647391 is a wasteful number, since it uses less digits than its factorization.

486647391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606201.

The product of its digits is 870912, while the sum is 48.

The square root of 486647391 is about 22060.0859245833. The cubic root of 486647391 is about 786.5713671502.

The spelling of 486647391 in words is "four hundred eighty-six million, six hundred forty-seven thousand, three hundred ninety-one".