485687993 has 8 divisors (see below), whose sum is σ = 555242688. Its totient is φ = 416175984.

The previous prime is 485687981. The next prime is 485688017. The reversal of 485687993 is 399786584.

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

It is not a de Polignac number, because 485687993 - 2⁶ = 485687929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (485687593) 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, 19355 + ... + 36687.

It is an arithmetic number, because the mean of its divisors is an integer number (69405336).

Almost surely, 2^485687993 is an apocalyptic number.

It is an amenable number.

485687993 is a deficient number, since it is larger than the sum of its proper divisors (69554695).

485687993 is a wasteful number, since it uses less digits than its factorization.

485687993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21343.

The product of its digits is 13063680, while the sum is 59.

The square root of 485687993 is about 22038.3300864653. The cubic root of 485687993 is about 786.0541333439.

The spelling of 485687993 in words is "four hundred eighty-five million, six hundred eighty-seven thousand, nine hundred ninety-three".