855449930 has 16 divisors (see below), whose sum is σ = 1540286280. Its totient is φ = 342074112.

The previous prime is 855449923. The next prime is 855449941. The reversal of 855449930 is 39944558.

855449930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 539214841 + 316235089 = 23221^2 + 17783^2 .

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, 26342 + ... + 49038.

Almost surely, 2^855449930 is an apocalyptic number.

855449930 is a deficient number, since it is larger than the sum of its proper divisors (684836350).

855449930 is a wasteful number, since it uses less digits than its factorization.

855449930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26473.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 855449930 is about 29248.0756631953. The cubic root of 855449930 is about 949.2884533367.

The spelling of 855449930 in words is "eight hundred fifty-five million, four hundred forty-nine thousand, nine hundred thirty".