200040349 has 2 divisors, whose sum is σ = 200040350. Its totient is φ = 200040348.

The previous prime is 200040331. The next prime is 200040383. The reversal of 200040349 is 943040002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135559449 + 64480900 = 11643^2 + 8030^2 .

It is a cyclic number.

It is not a de Polignac number, because 200040349 - 2⁹ = 200039837 is a prime.

It is a super-2 number, since 2×200040349² = 80032282456083602, which contains 22 as substring.

It is equal to p_11081065 and since 200040349 and 11081065 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200040749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100020174 + 100020175.

It is an arithmetic number, because the mean of its divisors is an integer number (100020175).

Almost surely, 2^200040349 is an apocalyptic number.

It is an amenable number.

200040349 is a deficient number, since it is larger than the sum of its proper divisors (1).

200040349 is an equidigital number, since it uses as much as digits as its factorization.

200040349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 200040349 is about 14143.5621043639. The cubic root of 200040349 is about 584.8428720621.

The spelling of 200040349 in words is "two hundred million, forty thousand, three hundred forty-nine".