698489498 has 32 divisors (see below), whose sum is σ = 1208887680. Its totient is φ = 296498880.

The previous prime is 698489471. The next prime is 698489509. The reversal of 698489498 is 894984896.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944813 + ... + 945551.

It is an arithmetic number, because the mean of its divisors is an integer number (37777740).

Almost surely, 2^698489498 is an apocalyptic number.

698489498 is a deficient number, since it is larger than the sum of its proper divisors (510398182).

698489498 is a wasteful number, since it uses less digits than its factorization.

698489498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its digits is 35831808, while the sum is 65.

The square root of 698489498 is about 26428.9518899256. The cubic root of 698489498 is about 887.2648843035.

The spelling of 698489498 in words is "six hundred ninety-eight million, four hundred eighty-nine thousand, four hundred ninety-eight".