698664050 has 72 divisors (see below), whose sum is σ = 1560614400. Its totient is φ = 231789600.

The previous prime is 698664041. The next prime is 698664059. The reversal of 698664050 is 50466896.

It is an interprime number because it is at equal distance from previous prime (698664041) and next prime (698664059).

It is a junction number, because it is equal to n+sod(n) for n = 698663992 and 698664010.

It is not an unprimeable number, because it can be changed into a prime (698664059) 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 35 ways as a sum of consecutive naturals, for example, 71351 + ... + 80549.

It is an arithmetic number, because the mean of its divisors is an integer number (21675200).

Almost surely, 2^698664050 is an apocalyptic number.

698664050 is an abundant number, since it is smaller than the sum of its proper divisors (861950350).

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

698664050 is a wasteful number, since it uses less digits than its factorization.

698664050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 698664050 is about 26432.2539712375. The cubic root of 698664050 is about 887.3387870901.

The spelling of 698664050 in words is "six hundred ninety-eight million, six hundred sixty-four thousand, fifty".