698369 has 4 divisors (see below), whose sum is σ = 798144. Its totient is φ = 598596.

The previous prime is 698359. The next prime is 698371. The reversal of 698369 is 963896.

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 698369 - 2¹² = 694273 is a prime.

It is a super-2 number, since 2×698369² = 975438520322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698369.

It is not an unprimeable number, because it can be changed into a prime (698329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49877 + ... + 49890.

It is an arithmetic number, because the mean of its divisors is an integer number (199536).

It is a Proth number, since it is equal to 341 ⋅ 2¹¹ + 1 and 341 < 2¹¹.

2⁶⁹⁸³⁶⁹ is an apocalyptic number.

It is an amenable number.

698369 is a deficient number, since it is larger than the sum of its proper divisors (99775).

698369 is an equidigital number, since it uses as much as digits as its factorization.

698369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99774.

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

The square root of 698369 is about 835.6847491728. The cubic root of 698369 is about 88.7213860013.

The spelling of 698369 in words is "six hundred ninety-eight thousand, three hundred sixty-nine".