698245 has 8 divisors (see below), whose sum is σ = 849816. Its totient is φ = 550656.

The previous prime is 698239. The next prime is 698249. The reversal of 698245 is 542896.

It is a happy number.

698245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 498436 = 447^2 + 706^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 698245 - 2⁹ = 697733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 698245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698249) 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, 592 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (106227).

2⁶⁹⁸²⁴⁵ is an apocalyptic number.

It is an amenable number.

698245 is a deficient number, since it is larger than the sum of its proper divisors (151571).

698245 is a wasteful number, since it uses less digits than its factorization.

698245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 17280, while the sum is 34.

The square root of 698245 is about 835.6105552229. The cubic root of 698245 is about 88.7161346690.

The spelling of 698245 in words is "six hundred ninety-eight thousand, two hundred forty-five".