298971847 has 2 divisors, whose sum is σ = 298971848. Its totient is φ = 298971846.

The previous prime is 298971833. The next prime is 298971857. The reversal of 298971847 is 748179892.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298971847 - 2¹¹ = 298969799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298971857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149485923 + 149485924.

It is an arithmetic number, because the mean of its divisors is an integer number (149485924).

Almost surely, 2^298971847 is an apocalyptic number.

298971847 is a deficient number, since it is larger than the sum of its proper divisors (1).

298971847 is an equidigital number, since it uses as much as digits as its factorization.

298971847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 55.

The square root of 298971847 is about 17290.8023816132. The cubic root of 298971847 is about 668.6673197693.

The spelling of 298971847 in words is "two hundred ninety-eight million, nine hundred seventy-one thousand, eight hundred forty-seven".