285198652 has 12 divisors (see below), whose sum is σ = 500403456. Its totient is φ = 142226240.

The previous prime is 285198601. The next prime is 285198653. The reversal of 285198652 is 256891582.

285198652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×285198652² = 162676542205234208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285198653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91549 + ... + 94612.

It is an arithmetic number, because the mean of its divisors is an integer number (41700288).

Almost surely, 2^285198652 is an apocalyptic number.

It is an amenable number.

285198652 is a deficient number, since it is larger than the sum of its proper divisors (215204804).

285198652 is a wasteful number, since it uses less digits than its factorization.

285198652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186548 (or 186546 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 285198652 is about 16887.8255557073. The cubic root of 285198652 is about 658.2373013514.

The spelling of 285198652 in words is "two hundred eighty-five million, one hundred ninety-eight thousand, six hundred fifty-two".