698489497 has 8 divisors (see below), whose sum is σ = 702819936. Its totient is φ = 694170912.

The previous prime is 698489471. The next prime is 698489509. The reversal of 698489497 is 794984896.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698489497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698489417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 134218 + ... + 139324.

It is an arithmetic number, because the mean of its divisors is an integer number (87852492).

Almost surely, 2^698489497 is an apocalyptic number.

It is an amenable number.

698489497 is a deficient number, since it is larger than the sum of its proper divisors (4330439).

698489497 is a wasteful number, since it uses less digits than its factorization.

698489497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927.

The product of its digits is 31352832, while the sum is 64.

The square root of 698489497 is about 26428.9518710069. The cubic root of 698489497 is about 887.2648838801.

The spelling of 698489497 in words is "six hundred ninety-eight million, four hundred eighty-nine thousand, four hundred ninety-seven".