690793 has 2 divisors, whose sum is σ = 690794. Its totient is φ = 690792.

The previous prime is 690787. The next prime is 690817. The reversal of 690793 is 397096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 327184 = 603^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 690793 - 2⁹ = 690281 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345396 + 345397.

It is an arithmetic number, because the mean of its divisors is an integer number (345397).

2⁶⁹⁰⁷⁹³ is an apocalyptic number.

It is an amenable number.

690793 is a deficient number, since it is larger than the sum of its proper divisors (1).

690793 is an equidigital number, since it uses as much as digits as its factorization.

690793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 690793 is about 831.1395791322. The cubic root of 690793 is about 88.3993983839.

The spelling of 690793 in words is "six hundred ninety thousand, seven hundred ninety-three".