298960891 has 2 divisors, whose sum is σ = 298960892. Its totient is φ = 298960890.

The previous prime is 298960873. The next prime is 298960927. The reversal of 298960891 is 198069892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298960891 - 2⁹ = 298960379 is a prime.

It is a super-2 number, since 2×298960891² = 178755228695027762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298960841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149480445 + 149480446.

It is an arithmetic number, because the mean of its divisors is an integer number (149480446).

Almost surely, 2^298960891 is an apocalyptic number.

298960891 is a deficient number, since it is larger than the sum of its proper divisors (1).

298960891 is an equidigital number, since it uses as much as digits as its factorization.

298960891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 298960891 is about 17290.4855628753. The cubic root of 298960891 is about 668.6591517665.

The spelling of 298960891 in words is "two hundred ninety-eight million, nine hundred sixty thousand, eight hundred ninety-one".