698827 has 2 divisors, whose sum is σ = 698828. Its totient is φ = 698826.

The previous prime is 698821. The next prime is 698849. The reversal of 698827 is 728896.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698827 is a prime.

698827 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 698827.

It is not a weakly prime, because it can be changed into another prime (698821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349413 + 349414.

It is an arithmetic number, because the mean of its divisors is an integer number (349414).

2⁶⁹⁸⁸²⁷ is an apocalyptic number.

698827 is a deficient number, since it is larger than the sum of its proper divisors (1).

698827 is an equidigital number, since it uses as much as digits as its factorization.

698827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 698827 is about 835.9587310388. The cubic root of 698827 is about 88.7407766650.

The spelling of 698827 in words is "six hundred ninety-eight thousand, eight hundred twenty-seven".