200490784 has 72 divisors (see below), whose sum is σ = 432199152. Its totient is φ = 91503360.

The previous prime is 200490781. The next prime is 200490803. The reversal of 200490784 is 487094002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (200490781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708307 + ... + 708589.

It is an arithmetic number, because the mean of its divisors is an integer number (6002766).

Almost surely, 2^200490784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200490784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216099576).

200490784 is an abundant number, since it is smaller than the sum of its proper divisors (231708368).

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

200490784 is a wasteful number, since it uses less digits than its factorization.

200490784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 200490784 is about 14159.4768264933. The cubic root of 200490784 is about 585.2815106018.

The spelling of 200490784 in words is "two hundred million, four hundred ninety thousand, seven hundred eighty-four".