485671784 has 24 divisors (see below), whose sum is σ = 981137430. Its totient is φ = 224052480.

The previous prime is 485671777. The next prime is 485671789. The reversal of 485671784 is 487176584.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 390062500 + 95609284 = 19750^2 + 9778^2 .

It is not an unprimeable number, because it can be changed into a prime (485671789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223664 + ... + 225824.

Almost surely, 2^485671784 is an apocalyptic number.

It is an amenable number.

485671784 is an abundant number, since it is smaller than the sum of its proper divisors (495465646).

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

485671784 is an equidigital number, since it uses as much as digits as its factorization.

485671784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 2176 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 485671784 is about 22037.9623377480. The cubic root of 485671784 is about 786.0453888458.

The spelling of 485671784 in words is "four hundred eighty-five million, six hundred seventy-one thousand, seven hundred eighty-four".