298598339405 has 4 divisors (see below), whose sum is σ = 358318007292. Its totient is φ = 238878671520.

The previous prime is 298598339401. The next prime is 298598339423. The reversal of 298598339405 is 504933895892.

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 199789332484 + 98809006921 = 446978^2 + 314339^2 .

It is not a de Polignac number, because 298598339405 - 2² = 298598339401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298598339401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29859833936 + ... + 29859833945.

It is an arithmetic number, because the mean of its divisors is an integer number (89579501823).

Almost surely, 2^298598339405 is an apocalyptic number.

It is an amenable number.

298598339405 is a deficient number, since it is larger than the sum of its proper divisors (59719667887).

298598339405 is an equidigital number, since it uses as much as digits as its factorization.

298598339405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59719667886.

The product of its (nonzero) digits is 83980800, while the sum is 65.

The spelling of 298598339405 in words is "two hundred ninety-eight billion, five hundred ninety-eight million, three hundred thirty-nine thousand, four hundred five".