240660349 has 2 divisors, whose sum is σ = 240660350. Its totient is φ = 240660348.

The previous prime is 240660331. The next prime is 240660367. The reversal of 240660349 is 943066042.

It is a balanced prime because it is at equal distance from previous prime (240660331) and next prime (240660367).

It can be written as a sum of positive squares in only one way, i.e., 196504324 + 44156025 = 14018^2 + 6645^2 .

It is a cyclic number.

It is not a de Polignac number, because 240660349 - 2¹⁵ = 240627581 is a prime.

It is a super-3 number, since 3×240660349³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240660319) 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 as a sum of consecutive naturals, namely, 120330174 + 120330175.

It is an arithmetic number, because the mean of its divisors is an integer number (120330175).

Almost surely, 2^240660349 is an apocalyptic number.

It is an amenable number.

240660349 is a deficient number, since it is larger than the sum of its proper divisors (1).

240660349 is an equidigital number, since it uses as much as digits as its factorization.

240660349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 240660349 is about 15513.2314170839. The cubic root of 240660349 is about 622.0159397700.

The spelling of 240660349 in words is "two hundred forty million, six hundred sixty thousand, three hundred forty-nine".