200905712 has 40 divisors (see below), whose sum is σ = 446388096. Its totient is φ = 85807296.

The previous prime is 200905703. The next prime is 200905729. The reversal of 200905712 is 217509002.

It is a super-2 number, since 2×200905712² = 80726210228453888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31463 + ... + 37305.

Almost surely, 2^200905712 is an apocalyptic number.

It is an amenable number.

200905712 is an abundant number, since it is smaller than the sum of its proper divisors (245482384).

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

200905712 is a wasteful number, since it uses less digits than its factorization.

200905712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 200905712 is about 14174.1212073271. The cubic root of 200905712 is about 585.6849910733.

The spelling of 200905712 in words is "two hundred million, nine hundred five thousand, seven hundred twelve".