698371 has 2 divisors, whose sum is σ = 698372. Its totient is φ = 698370.

The previous prime is 698359. The next prime is 698387. The reversal of 698371 is 173896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698371 - 2⁵ = 698339 is a prime.

It is not a weakly prime, because it can be changed into another prime (698311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349185 + 349186.

It is an arithmetic number, because the mean of its divisors is an integer number (349186).

2⁶⁹⁸³⁷¹ is an apocalyptic number.

698371 is a deficient number, since it is larger than the sum of its proper divisors (1).

698371 is an equidigital number, since it uses as much as digits as its factorization.

698371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 698371 is about 835.6859457954. The cubic root of 698371 is about 88.7214706951.

The spelling of 698371 in words is "six hundred ninety-eight thousand, three hundred seventy-one".