485919828 has 36 divisors (see below), whose sum is σ = 1245130068. Its totient is φ = 159753600.

The previous prime is 485919821. The next prime is 485919859. The reversal of 485919828 is 828919584.

485919828 is a `hidden beast` number, since 48 + 591 + 9 + 8 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 425266884 + 60652944 = 20622^2 + 7788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×485919828² = 472236158487099168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485919821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89823 + ... + 95078.

Almost surely, 2^485919828 is an apocalyptic number.

It is an amenable number.

485919828 is an abundant number, since it is smaller than the sum of its proper divisors (759210240).

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

485919828 is a wasteful number, since it uses less digits than its factorization.

485919828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184984 (or 184979 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The square root of 485919828 is about 22043.5892721671. The cubic root of 485919828 is about 786.1791833586.

The spelling of 485919828 in words is "four hundred eighty-five million, nine hundred nineteen thousand, eight hundred twenty-eight".