200456685 has 48 divisors (see below), whose sum is σ = 408215808. Its totient is φ = 89712000.

The previous prime is 200456681. The next prime is 200456687. The reversal of 200456685 is 586654002.

It is not a de Polignac number, because 200456685 - 2² = 200456681 is a prime.

It is a super-2 number, since 2×200456685² = 80365765122378450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200456681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9141 + ... + 22010.

It is an arithmetic number, because the mean of its divisors is an integer number (8504496).

Almost surely, 2^200456685 is an apocalyptic number.

It is an amenable number.

200456685 is an abundant number, since it is smaller than the sum of its proper divisors (207759123).

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

200456685 is a wasteful number, since it uses less digits than its factorization.

200456685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31186 (or 31183 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 200456685 is about 14158.2726700682. The cubic root of 200456685 is about 585.2483276205.

The spelling of 200456685 in words is "two hundred million, four hundred fifty-six thousand, six hundred eighty-five".