698353 has 4 divisors (see below), whose sum is σ = 715428. Its totient is φ = 681280.

The previous prime is 698339. The next prime is 698359. The reversal of 698353 is 353896.

698353 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 613089 = 292^2 + 783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698353 is a prime.

It is a Duffinian number.

698353 is an undulating number in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698359) 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, 8476 + ... + 8557.

It is an arithmetic number, because the mean of its divisors is an integer number (178857).

2⁶⁹⁸³⁵³ is an apocalyptic number.

It is an amenable number.

698353 is a deficient number, since it is larger than the sum of its proper divisors (17075).

698353 is a wasteful number, since it uses less digits than its factorization.

698353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17074.

The product of its digits is 19440, while the sum is 34.

The square root of 698353 is about 835.6751761301. The cubic root of 698353 is about 88.7207084450.

The spelling of 698353 in words is "six hundred ninety-eight thousand, three hundred fifty-three".