298394161 has 4 divisors (see below), whose sum is σ = 321347572. Its totient is φ = 275440752.

The previous prime is 298394141. The next prime is 298394167. The reversal of 298394161 is 161493892.

It is a happy number.

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 102394161 + 196000000 = 10119^2 + 14000^2 .

It is a cyclic number.

It is not a de Polignac number, because 298394161 - 2¹¹ = 298392113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (298394167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11476686 + ... + 11476711.

It is an arithmetic number, because the mean of its divisors is an integer number (80336893).

Almost surely, 2^298394161 is an apocalyptic number.

It is an amenable number.

298394161 is a deficient number, since it is larger than the sum of its proper divisors (22953411).

298394161 is a wasteful number, since it uses less digits than its factorization.

298394161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22953410.

The product of its digits is 93312, while the sum is 43.

The square root of 298394161 is about 17274.0892958211. The cubic root of 298394161 is about 668.2363663580.

The spelling of 298394161 in words is "two hundred ninety-eight million, three hundred ninety-four thousand, one hundred sixty-one".