704393 has 2 divisors, whose sum is σ = 704394. Its totient is φ = 704392.

The previous prime is 704357. The next prime is 704399. The reversal of 704393 is 393407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 51529 = 808^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 704393 - 2¹⁶ = 638857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (704399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352196 + 352197.

It is an arithmetic number, because the mean of its divisors is an integer number (352197).

2⁷⁰⁴³⁹³ is an apocalyptic number.

It is an amenable number.

704393 is a deficient number, since it is larger than the sum of its proper divisors (1).

704393 is an equidigital number, since it uses as much as digits as its factorization.

704393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 704393 is about 839.2812401097. The cubic root of 704393 is about 88.9757540316.

It can be divided in two parts, 704 and 393, that multiplied together give a palindrome (276672).

The spelling of 704393 in words is "seven hundred four thousand, three hundred ninety-three".