698498 has 8 divisors (see below), whose sum is σ = 1062720. Its totient is φ = 344260.

The previous prime is 698491. The next prime is 698507. The reversal of 698498 is 894896.

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (698491) by changing a digit.

698498 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (132840).

2⁶⁹⁸⁴⁹⁸ is an apocalyptic number.

698498 is a deficient number, since it is larger than the sum of its proper divisors (364222).

698498 is a wasteful number, since it uses less digits than its factorization.

698498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its digits is 124416, while the sum is 44.

The square root of 698498 is about 835.7619278239. The cubic root of 698498 is about 88.7268484212.

The spelling of 698498 in words is "six hundred ninety-eight thousand, four hundred ninety-eight".