485709828 has 24 divisors (see below), whose sum is σ = 1136039520. Its totient is φ = 161515200.

The previous prime is 485709827. The next prime is 485709859. The reversal of 485709828 is 828907584.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (485709823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43273 + ... + 53328.

It is an arithmetic number, because the mean of its divisors is an integer number (47334980).

Almost surely, 2^485709828 is an apocalyptic number.

It is an amenable number.

485709828 is an abundant number, since it is smaller than the sum of its proper divisors (650329692).

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

485709828 is a wasteful number, since it uses less digits than its factorization.

485709828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97027 (or 97025 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 485709828 is about 22038.8254677966. The cubic root of 485709828 is about 786.0659126721.

The spelling of 485709828 in words is "four hundred eighty-five million, seven hundred nine thousand, eight hundred twenty-eight".