698069 has 4 divisors (see below), whose sum is σ = 699744. Its totient is φ = 696396.

The previous prime is 698053. The next prime is 698077. The reversal of 698069 is 960896.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 698069 - 2⁴ = 698053 is a prime.

It is a super-2 number, since 2×698069² = 974600657522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698069.

It is not an unprimeable number, because it can be changed into a prime (698039) 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, 344 + ... + 1230.

It is an arithmetic number, because the mean of its divisors is an integer number (174936).

2⁶⁹⁸⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

698069 is a deficient number, since it is larger than the sum of its proper divisors (1675).

698069 is an equidigital number, since it uses as much as digits as its factorization.

698069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 698069 is about 835.5052363690. The cubic root of 698069 is about 88.7086800976.

The spelling of 698069 in words is "six hundred ninety-eight thousand, sixty-nine".