200728539 has 12 divisors (see below), whose sum is σ = 316299672. Its totient is φ = 121653600.

The previous prime is 200728531. The next prime is 200728547. The reversal of 200728539 is 935827002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200728531) and next prime (200728547).

It is not a de Polignac number, because 200728539 - 2³ = 200728531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200728531) 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, 1013682 + ... + 1013879.

It is an arithmetic number, because the mean of its divisors is an integer number (26358306).

Almost surely, 2^200728539 is an apocalyptic number.

200728539 is a deficient number, since it is larger than the sum of its proper divisors (115571133).

200728539 is a wasteful number, since it uses less digits than its factorization.

200728539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027578 (or 2027575 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 200728539 is about 14167.8699528193. The cubic root of 200728539 is about 585.5127741594.

The spelling of 200728539 in words is "two hundred million, seven hundred twenty-eight thousand, five hundred thirty-nine".