199285436 has 12 divisors (see below), whose sum is σ = 398570928. Its totient is φ = 85408032.

The previous prime is 199285393. The next prime is 199285439. The reversal of 199285436 is 634582991.

199285436 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199285439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3558641 + ... + 3558696.

It is an arithmetic number, because the mean of its divisors is an integer number (33214244).

Almost surely, 2^199285436 is an apocalyptic number.

It is an amenable number.

199285436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199285436 is a wasteful number, since it uses less digits than its factorization.

199285436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117348 (or 7117346 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 199285436 is about 14116.8493652089. The cubic root of 199285436 is about 584.1062506061.

The spelling of 199285436 in words is "one hundred ninety-nine million, two hundred eighty-five thousand, four hundred thirty-six".