693397 has 2 divisors, whose sum is σ = 693398. Its totient is φ = 693396.

The previous prime is 693373. The next prime is 693401. The reversal of 693397 is 793396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454276 + 239121 = 674^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 693397 - 2¹¹ = 691349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346698 + 346699.

It is an arithmetic number, because the mean of its divisors is an integer number (346699).

2⁶⁹³³⁹⁷ is an apocalyptic number.

It is an amenable number.

693397 is a deficient number, since it is larger than the sum of its proper divisors (1).

693397 is an equidigital number, since it uses as much as digits as its factorization.

693397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 37.

The square root of 693397 is about 832.7046295056. The cubic root of 693397 is about 88.5103353289.

Subtracting 693397 from its reverse (793396), we obtain a palindrome (99999).

The spelling of 693397 in words is "six hundred ninety-three thousand, three hundred ninety-seven".