298364609 has 4 divisors (see below), whose sum is σ = 298406340. Its totient is φ = 298322880.

The previous prime is 298364597. The next prime is 298364611. The reversal of 298364609 is 906463892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216913984 + 81450625 = 14728^2 + 9025^2 .

It is a cyclic number.

It is not a de Polignac number, because 298364609 - 2¹⁶ = 298299073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298364629) 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 3 ways as a sum of consecutive naturals, for example, 7124 + ... + 25445.

It is an arithmetic number, because the mean of its divisors is an integer number (74601585).

Almost surely, 2^298364609 is an apocalyptic number.

It is an amenable number.

298364609 is a deficient number, since it is larger than the sum of its proper divisors (41731).

298364609 is an equidigital number, since it uses as much as digits as its factorization.

298364609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41730.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 298364609 is about 17273.2338894603. The cubic root of 298364609 is about 668.2143056347.

It can be divided in two parts, 29 and 8364609, that added together give a palindrome (8364638).

The spelling of 298364609 in words is "two hundred ninety-eight million, three hundred sixty-four thousand, six hundred nine".