486995985 has 96 divisors (see below), whose sum is σ = 1010880000. Its totient is φ = 212179968.

The previous prime is 486995857. The next prime is 486996007. The reversal of 486995985 is 589599684.

It is not a de Polignac number, because 486995985 - 2⁷ = 486995857 is a prime.

It is a super-2 number, since 2×486995985² = 474330178812240450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 812716 + ... + 813314.

It is an arithmetic number, because the mean of its divisors is an integer number (10530000).

Almost surely, 2^486995985 is an apocalyptic number.

486995985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

486995985 is an abundant number, since it is smaller than the sum of its proper divisors (523884015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486995985 is a wasteful number, since it uses less digits than its factorization.

486995985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 732 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The square root of 486995985 is about 22067.9855220181. The cubic root of 486995985 is about 786.7591339127.

The spelling of 486995985 in words is "four hundred eighty-six million, nine hundred ninety-five thousand, nine hundred eighty-five".