200427489 has 6 divisors (see below), whose sum is σ = 289506386. Its totient is φ = 133618320.

The previous prime is 200427481. The next prime is 200427509. The reversal of 200427489 is 984724002.

It can be written as a sum of positive squares in only one way, i.e., 133056225 + 67371264 = 11535^2 + 8208^2 .

It is not a de Polignac number, because 200427489 - 2³ = 200427481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200427481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11134852 + ... + 11134869.

Almost surely, 2^200427489 is an apocalyptic number.

It is an amenable number.

200427489 is a deficient number, since it is larger than the sum of its proper divisors (89078897).

200427489 is a wasteful number, since it uses less digits than its factorization.

200427489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269727 (or 22269724 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 200427489 is about 14157.2415745441. The cubic root of 200427489 is about 585.2199129370.

The spelling of 200427489 in words is "two hundred million, four hundred twenty-seven thousand, four hundred eighty-nine".