240396679 has 2 divisors, whose sum is σ = 240396680. Its totient is φ = 240396678.

The previous prime is 240396619. The next prime is 240396691. The reversal of 240396679 is 976693042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240396679 - 2¹³ = 240388487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240396619) 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, 120198339 + 120198340.

It is an arithmetic number, because the mean of its divisors is an integer number (120198340).

Almost surely, 2^240396679 is an apocalyptic number.

240396679 is a deficient number, since it is larger than the sum of its proper divisors (1).

240396679 is an equidigital number, since it uses as much as digits as its factorization.

240396679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 240396679 is about 15504.7308586767. The cubic root of 240396679 is about 621.7886943652.

The spelling of 240396679 in words is "two hundred forty million, three hundred ninety-six thousand, six hundred seventy-nine".