698490306 has 24 divisors (see below), whose sum is σ = 1515945600. Its totient is φ = 232437816.

The previous prime is 698490301. The next prime is 698490311. The reversal of 698490306 is 603094896.

It is an interprime number because it is at equal distance from previous prime (698490301) and next prime (698490311).

It is not an unprimeable number, because it can be changed into a prime (698490301) 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 11 ways as a sum of consecutive naturals, for example, 21610 + ... + 43173.

It is an arithmetic number, because the mean of its divisors is an integer number (63164400).

Almost surely, 2^698490306 is an apocalyptic number.

698490306 is an abundant number, since it is smaller than the sum of its proper divisors (817455294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698490306 is a wasteful number, since it uses less digits than its factorization.

698490306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65390 (or 65387 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 698490306 is about 26428.9671761876. The cubic root of 698490306 is about 887.2652264274.

The spelling of 698490306 in words is "six hundred ninety-eight million, four hundred ninety thousand, three hundred six".