240004643 has 2 divisors, whose sum is σ = 240004644. Its totient is φ = 240004642.

The previous prime is 240004631. The next prime is 240004651. The reversal of 240004643 is 346400042.

It is a happy number.

240004643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240004643 - 2¹² = 240000547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240004613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120002321 + 120002322.

It is an arithmetic number, because the mean of its divisors is an integer number (120002322).

Almost surely, 2^240004643 is an apocalyptic number.

240004643 is a deficient number, since it is larger than the sum of its proper divisors (1).

240004643 is an equidigital number, since it uses as much as digits as its factorization.

240004643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 240004643 is about 15492.0832362856. The cubic root of 240004643 is about 621.4505086317.

Adding to 240004643 its reverse (346400042), we get a palindrome (586404685).

The spelling of 240004643 in words is "two hundred forty million, four thousand, six hundred forty-three".