698567 has 2 divisors, whose sum is σ = 698568. Its totient is φ = 698566.

The previous prime is 698557. The next prime is 698591. The reversal of 698567 is 765896.

It is a happy number.

698567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698567 - 2⁸ = 698311 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698567.

It is not a weakly prime, because it can be changed into another prime (698507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349283 + 349284.

It is an arithmetic number, because the mean of its divisors is an integer number (349284).

2⁶⁹⁸⁵⁶⁷ is an apocalyptic number.

698567 is a deficient number, since it is larger than the sum of its proper divisors (1).

698567 is an equidigital number, since it uses as much as digits as its factorization.

698567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 698567 is about 835.8032065026. The cubic root of 698567 is about 88.7297699046.

The spelling of 698567 in words is "six hundred ninety-eight thousand, five hundred sixty-seven".