200447000 has 128 divisors (see below), whose sum is σ = 535429440. Its totient is φ = 69580800.

The previous prime is 200446933. The next prime is 200447003. The reversal of 200447000 is 744002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 200447000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200447003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220547 + ... + 221453.

Almost surely, 2^200447000 is an apocalyptic number.

200447000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200447000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267714720).

200447000 is an abundant number, since it is smaller than the sum of its proper divisors (334982440).

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

200447000 is a wasteful number, since it uses less digits than its factorization.

200447000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 200447000 is about 14157.9306397510. The cubic root of 200447000 is about 585.2389021074.

The spelling of 200447000 in words is "two hundred million, four hundred forty-seven thousand".