200307949 has 4 divisors (see below), whose sum is σ = 200336380. Its totient is φ = 200279520.

The previous prime is 200307941. The next prime is 200307953. The reversal of 200307949 is 949703002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 144432324 + 55875625 = 12018^2 + 7475^2 .

It is a cyclic number.

It is not a de Polignac number, because 200307949 - 2³ = 200307941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200307941) 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 3 ways as a sum of consecutive naturals, for example, 5119 + ... + 20659.

It is an arithmetic number, because the mean of its divisors is an integer number (50084095).

Almost surely, 2^200307949 is an apocalyptic number.

It is an amenable number.

200307949 is a deficient number, since it is larger than the sum of its proper divisors (28431).

200307949 is a wasteful number, since it uses less digits than its factorization.

200307949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 200307949 is about 14153.0190772146. The cubic root of 200307949 is about 585.1035431692.

The spelling of 200307949 in words is "two hundred million, three hundred seven thousand, nine hundred forty-nine".