485637391 has 8 divisors (see below), whose sum is σ = 497171664. Its totient is φ = 474235200.

The previous prime is 485637377. The next prime is 485637443. The reversal of 485637391 is 193736584.

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 485637391 - 2¹⁷ = 485506319 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 (485637091) 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, 25561 + ... + 40306.

It is an arithmetic number, because the mean of its divisors is an integer number (62146458).

Almost surely, 2^485637391 is an apocalyptic number.

485637391 is a deficient number, since it is larger than the sum of its proper divisors (11534273).

485637391 is a wasteful number, since it uses less digits than its factorization.

485637391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66041.

The product of its digits is 544320, while the sum is 46.

The square root of 485637391 is about 22037.1820113190. The cubic root of 485637391 is about 786.0268337240.

The spelling of 485637391 in words is "four hundred eighty-five million, six hundred thirty-seven thousand, three hundred ninety-one".