200344649 has 2 divisors, whose sum is σ = 200344650. Its totient is φ = 200344648.

The previous prime is 200344637. The next prime is 200344657. The reversal of 200344649 is 946443002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176890000 + 23454649 = 13300^2 + 4843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200344649 is a prime.

It is not a weakly prime, because it can be changed into another prime (200344349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100172324 + 100172325.

It is an arithmetic number, because the mean of its divisors is an integer number (100172325).

Almost surely, 2^200344649 is an apocalyptic number.

It is an amenable number.

200344649 is a deficient number, since it is larger than the sum of its proper divisors (1).

200344649 is an equidigital number, since it uses as much as digits as its factorization.

200344649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 200344649 is about 14154.3155609870. The cubic root of 200344649 is about 585.1392747995.

The spelling of 200344649 in words is "two hundred million, three hundred forty-four thousand, six hundred forty-nine".