698495345 has 8 divisors (see below), whose sum is σ = 838459176. Its totient is φ = 558619776.

The previous prime is 698495339. The next prime is 698495383. The reversal of 698495345 is 543594896.

It can be written as a sum of positive squares in 4 ways, for example, as 22963264 + 675532081 = 4792^2 + 25991^2 .

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-698495345 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 37511.

It is an arithmetic number, because the mean of its divisors is an integer number (104807397).

Almost surely, 2^698495345 is an apocalyptic number.

It is an amenable number.

698495345 is a deficient number, since it is larger than the sum of its proper divisors (139963831).

698495345 is a wasteful number, since it uses less digits than its factorization.

698495345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44131.

The product of its digits is 4665600, while the sum is 53.

The square root of 698495345 is about 26429.0625070206. The cubic root of 698495345 is about 887.2673600379.

The spelling of 698495345 in words is "six hundred ninety-eight million, four hundred ninety-five thousand, three hundred forty-five".