738226393 has 2 divisors, whose sum is σ = 738226394. Its totient is φ = 738226392.

The previous prime is 738226387. The next prime is 738226421. The reversal of 738226393 is 393622837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618367689 + 119858704 = 24867^2 + 10948^2 .

It is a cyclic number.

It is not a de Polignac number, because 738226393 - 2⁹ = 738225881 is a prime.

It is not a weakly prime, because it can be changed into another prime (738226303) 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, 369113196 + 369113197.

It is an arithmetic number, because the mean of its divisors is an integer number (369113197).

Almost surely, 2^738226393 is an apocalyptic number.

It is an amenable number.

738226393 is a deficient number, since it is larger than the sum of its proper divisors (1).

738226393 is an equidigital number, since it uses as much as digits as its factorization.

738226393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 738226393 is about 27170.3219156491. The cubic root of 738226393 is about 903.7809632119.

The spelling of 738226393 in words is "seven hundred thirty-eight million, two hundred twenty-six thousand, three hundred ninety-three".