200439461 has 12 divisors (see below), whose sum is σ = 207021024. Its totient is φ = 194027400.

The previous prime is 200439451. The next prime is 200439467. The reversal of 200439461 is 164934002.

It is not a de Polignac number, because 200439461 - 2²² = 196245157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200439467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246746 + ... + 247556.

It is an arithmetic number, because the mean of its divisors is an integer number (17251752).

Almost surely, 2^200439461 is an apocalyptic number.

200439461 is the 6332-nd centered decagonal number.

It is an amenable number.

200439461 is a deficient number, since it is larger than the sum of its proper divisors (6581563).

200439461 is an frugal number, since it uses more digits than its factorization.

200439461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 200439461 is about 14157.6643907108. The cubic root of 200439461 is about 585.2315648871.

The spelling of 200439461 in words is "two hundred million, four hundred thirty-nine thousand, four hundred sixty-one".