698795 has 4 divisors (see below), whose sum is σ = 838560. Its totient is φ = 559032.

The previous prime is 698779. The next prime is 698821. The reversal of 698795 is 597896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 698795 - 2⁴ = 698779 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698795.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 69875 + ... + 69884.

It is an arithmetic number, because the mean of its divisors is an integer number (209640).

2⁶⁹⁸⁷⁹⁵ is an apocalyptic number.

698795 is a deficient number, since it is larger than the sum of its proper divisors (139765).

698795 is a wasteful number, since it uses less digits than its factorization.

698795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139764.

The product of its digits is 136080, while the sum is 44.

The square root of 698795 is about 835.9395911189. The cubic root of 698795 is about 88.7394221341.

The spelling of 698795 in words is "six hundred ninety-eight thousand, seven hundred ninety-five".