240344399 has 2 divisors, whose sum is σ = 240344400. Its totient is φ = 240344398.

The previous prime is 240344383. The next prime is 240344407. The reversal of 240344399 is 993443042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240344399 - 2⁴ = 240344383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240344309) 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, 120172199 + 120172200.

It is an arithmetic number, because the mean of its divisors is an integer number (120172200).

Almost surely, 2^240344399 is an apocalyptic number.

240344399 is a deficient number, since it is larger than the sum of its proper divisors (1).

240344399 is an equidigital number, since it uses as much as digits as its factorization.

240344399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 240344399 is about 15503.0448299681. The cubic root of 240344399 is about 621.7436168294.

The spelling of 240344399 in words is "two hundred forty million, three hundred forty-four thousand, three hundred ninety-nine".