485645830 has 16 divisors (see below), whose sum is σ = 892762560. Its totient is φ = 190124992.

The previous prime is 485645819. The next prime is 485645869. The reversal of 485645830 is 38546584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516175 + ... + 517114.

It is an arithmetic number, because the mean of its divisors is an integer number (55797660).

Almost surely, 2^485645830 is an apocalyptic number.

485645830 is a deficient number, since it is larger than the sum of its proper divisors (407116730).

485645830 is a wasteful number, since it uses less digits than its factorization.

485645830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033343.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 485645830 is about 22037.3734823368. The cubic root of 485645830 is about 786.0313866697.

The spelling of 485645830 in words is "four hundred eighty-five million, six hundred forty-five thousand, eight hundred thirty".