239403413 has 2 divisors, whose sum is σ = 239403414. Its totient is φ = 239403412.

The previous prime is 239403397. The next prime is 239403443. The reversal of 239403413 is 314304932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132756484 + 106646929 = 11522^2 + 10327^2 .

It is a cyclic number.

It is not a de Polignac number, because 239403413 - 2⁴ = 239403397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239403443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119701706 + 119701707.

It is an arithmetic number, because the mean of its divisors is an integer number (119701707).

Almost surely, 2^239403413 is an apocalyptic number.

It is an amenable number.

239403413 is a deficient number, since it is larger than the sum of its proper divisors (1).

239403413 is an equidigital number, since it uses as much as digits as its factorization.

239403413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 239403413 is about 15472.6666415327. Note that the first 4 decimals coincide. The cubic root of 239403413 is about 620.9311476810.

The spelling of 239403413 in words is "two hundred thirty-nine million, four hundred three thousand, four hundred thirteen".