240626647 has 2 divisors, whose sum is σ = 240626648. Its totient is φ = 240626646.

The previous prime is 240626641. The next prime is 240626669. The reversal of 240626647 is 746626042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240626647 - 2¹⁵ = 240593879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240626641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120313323 + 120313324.

It is an arithmetic number, because the mean of its divisors is an integer number (120313324).

Almost surely, 2^240626647 is an apocalyptic number.

240626647 is a deficient number, since it is larger than the sum of its proper divisors (1).

240626647 is an equidigital number, since it uses as much as digits as its factorization.

240626647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 240626647 is about 15512.1451450146. The cubic root of 240626647 is about 621.9869027753.

The spelling of 240626647 in words is "two hundred forty million, six hundred twenty-six thousand, six hundred forty-seven".