298644121 has 4 divisors (see below), whose sum is σ = 311628672. Its totient is φ = 285659572.

The previous prime is 298644119. The next prime is 298644133. The reversal of 298644121 is 121446892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298644121 - 2¹ = 298644119 is a prime.

It is a super-2 number, since 2×298644121² = 178376622015725282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298644161) 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, 6492241 + ... + 6492286.

It is an arithmetic number, because the mean of its divisors is an integer number (77907168).

Almost surely, 2^298644121 is an apocalyptic number.

It is an amenable number.

298644121 is a deficient number, since it is larger than the sum of its proper divisors (12984551).

298644121 is a wasteful number, since it uses less digits than its factorization.

298644121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984550.

The product of its digits is 27648, while the sum is 37.

The square root of 298644121 is about 17281.3228949638. The cubic root of 298644121 is about 668.4229045744.

The spelling of 298644121 in words is "two hundred ninety-eight million, six hundred forty-four thousand, one hundred twenty-one".