336687349 has 2 divisors, whose sum is σ = 336687350. Its totient is φ = 336687348.

The previous prime is 336687347. The next prime is 336687359. The reversal of 336687349 is 943786633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 41088100 = 17193^2 + 6410^2 .

It is a cyclic number.

It is not a de Polignac number, because 336687349 - 2¹ = 336687347 is a prime.

It is a super-2 number, since 2×336687349² = 226716741953295602, which contains 22 as substring.

Together with 336687347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336687341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168343674 + 168343675.

It is an arithmetic number, because the mean of its divisors is an integer number (168343675).

Almost surely, 2^336687349 is an apocalyptic number.

It is an amenable number.

336687349 is a deficient number, since it is larger than the sum of its proper divisors (1).

336687349 is an equidigital number, since it uses as much as digits as its factorization.

336687349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 49.

The square root of 336687349 is about 18349.0421820868. The cubic root of 336687349 is about 695.6790623259.

The spelling of 336687349 in words is "three hundred thirty-six million, six hundred eighty-seven thousand, three hundred forty-nine".