698799 has 8 divisors (see below), whose sum is σ = 940720. Its totient is φ = 461376.

The previous prime is 698779. The next prime is 698821. The reversal of 698799 is 997896.

It is a happy number.

698799 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 698799 - 2⁸ = 698543 is a prime.

It is a Duffinian number.

698799 is strictly pandigital in base 7.

698799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (117590).

2⁶⁹⁸⁷⁹⁹ is an apocalyptic number.

698799 is a deficient number, since it is larger than the sum of its proper divisors (241921).

698799 is a wasteful number, since it uses less digits than its factorization.

698799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249.

The product of its digits is 244944, while the sum is 48.

The square root of 698799 is about 835.9419836328. The cubic root of 698799 is about 88.7395914528.

The spelling of 698799 in words is "six hundred ninety-eight thousand, seven hundred ninety-nine".