298680813 has 12 divisors (see below), whose sum is σ = 432541980. Its totient is φ = 198606336.

The previous prime is 298680749. The next prime is 298680847. The reversal of 298680813 is 318086892.

It can be written as a sum of positive squares in 2 ways, for example, as 215561124 + 83119689 = 14682^2 + 9117^2 .

It is not a de Polignac number, because 298680813 - 2⁶ = 298680749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298680853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39156 + ... + 46157.

It is an arithmetic number, because the mean of its divisors is an integer number (36045165).

Almost surely, 2^298680813 is an apocalyptic number.

It is an amenable number.

298680813 is a deficient number, since it is larger than the sum of its proper divisors (133861167).

298680813 is a wasteful number, since it uses less digits than its factorization.

298680813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85708 (or 85705 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 298680813 is about 17282.3844708998. The cubic root of 298680813 is about 668.4502780346.

The spelling of 298680813 in words is "two hundred ninety-eight million, six hundred eighty thousand, eight hundred thirteen".