200085400 has 24 divisors (see below), whose sum is σ = 465199020. Its totient is φ = 80034080.

The previous prime is 200085373. The next prime is 200085437. The reversal of 200085400 is 4580002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500014 + ... + 500413.

Almost surely, 2^200085400 is an apocalyptic number.

200085400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200085400 is an abundant number, since it is smaller than the sum of its proper divisors (265113620).

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

200085400 is a wasteful number, since it uses less digits than its factorization.

200085400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000443 (or 1000434 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 200085400 is about 14145.1546474402. The cubic root of 200085400 is about 584.8867728363.

The spelling of 200085400 in words is "two hundred million, eighty-five thousand, four hundred".