200912039 has 4 divisors (see below), whose sum is σ = 205584456. Its totient is φ = 196239624.

The previous prime is 200912027. The next prime is 200912057. The reversal of 200912039 is 930219002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200912039 - 2²⁰ = 199863463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200911999 and 200912017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200912009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336144 + ... + 2336229.

It is an arithmetic number, because the mean of its divisors is an integer number (51396114).

Almost surely, 2^200912039 is an apocalyptic number.

200912039 is a deficient number, since it is larger than the sum of its proper divisors (4672417).

200912039 is an equidigital number, since it uses as much as digits as its factorization.

200912039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672416.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 200912039 is about 14174.3443940099. The cubic root of 200912039 is about 585.6911392145.

The spelling of 200912039 in words is "two hundred million, nine hundred twelve thousand, thirty-nine".