699863 has 2 divisors, whose sum is σ = 699864. Its totient is φ = 699862.

The previous prime is 699823. The next prime is 699931. The reversal of 699863 is 368996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 699863 - 2¹⁴ = 683479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 699863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349931 + 349932.

It is an arithmetic number, because the mean of its divisors is an integer number (349932).

2⁶⁹⁹⁸⁶³ is an apocalyptic number.

699863 is a deficient number, since it is larger than the sum of its proper divisors (1).

699863 is an equidigital number, since it uses as much as digits as its factorization.

699863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 699863 is about 836.5781493680. The cubic root of 699863 is about 88.7846072797.

The spelling of 699863 in words is "six hundred ninety-nine thousand, eight hundred sixty-three".