698899 has 2 divisors, whose sum is σ = 698900. Its totient is φ = 698898.

The previous prime is 698891. The next prime is 698903. The reversal of 698899 is 998896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698899 - 2³ = 698891 is a prime.

It is not a weakly prime, because it can be changed into another prime (698891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349449 + 349450.

It is an arithmetic number, because the mean of its divisors is an integer number (349450).

2⁶⁹⁸⁸⁹⁹ is an apocalyptic number.

698899 is a deficient number, since it is larger than the sum of its proper divisors (1).

698899 is an equidigital number, since it uses as much as digits as its factorization.

698899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 49.

The square root of 698899 is about 836.0017942564. The cubic root of 698899 is about 88.7438242082.

The spelling of 698899 in words is "six hundred ninety-eight thousand, eight hundred ninety-nine".