698359 has 2 divisors, whose sum is σ = 698360. Its totient is φ = 698358.

The previous prime is 698339. The next prime is 698371. The reversal of 698359 is 953896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698359 - 2¹⁵ = 665591 is a prime.

It is an Ulam number.

698359 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349179 + 349180.

It is an arithmetic number, because the mean of its divisors is an integer number (349180).

2⁶⁹⁸³⁵⁹ is an apocalyptic number.

698359 is a deficient number, since it is larger than the sum of its proper divisors (1).

698359 is an equidigital number, since it uses as much as digits as its factorization.

698359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 698359 is about 835.6787660339. The cubic root of 698359 is about 88.7209625298.

The spelling of 698359 in words is "six hundred ninety-eight thousand, three hundred fifty-nine".