698797 has 4 divisors (see below), whose sum is σ = 762336. Its totient is φ = 635260.

The previous prime is 698779. The next prime is 698821. The reversal of 698797 is 797896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 698797 - 2⁷ = 698669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698297) 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 in 3 ways as a sum of consecutive naturals, for example, 31753 + ... + 31774.

It is an arithmetic number, because the mean of its divisors is an integer number (190584).

2⁶⁹⁸⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

698797 is a deficient number, since it is larger than the sum of its proper divisors (63539).

698797 is a wasteful number, since it uses less digits than its factorization.

698797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63538.

The product of its digits is 190512, while the sum is 46.

The square root of 698797 is about 835.9407873767. The cubic root of 698797 is about 88.7395067935.

Subtracting 698797 from its reverse (797896), we obtain a palindrome (99099).

The spelling of 698797 in words is "six hundred ninety-eight thousand, seven hundred ninety-seven".