240347879 has 2 divisors, whose sum is σ = 240347880. Its totient is φ = 240347878.

The previous prime is 240347873. The next prime is 240347923. The reversal of 240347879 is 978743042.

It is an a-pointer prime, because the next prime (240347923) can be obtained adding 240347879 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240347879 - 2¹² = 240343783 is a prime.

It is a Sophie Germain 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 (240347873) 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, 120173939 + 120173940.

It is an arithmetic number, because the mean of its divisors is an integer number (120173940).

Almost surely, 2^240347879 is an apocalyptic number.

240347879 is a deficient number, since it is larger than the sum of its proper divisors (1).

240347879 is an equidigital number, since it uses as much as digits as its factorization.

240347879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 240347879 is about 15503.1570655786. The cubic root of 240347879 is about 621.7466176030.

It can be divided in two parts, 24034 and 7879, that added together give a palindrome (31913).

The spelling of 240347879 in words is "two hundred forty million, three hundred forty-seven thousand, eight hundred seventy-nine".