298713897 has 6 divisors (see below), whose sum is σ = 431475642. Its totient is φ = 199142592.

The previous prime is 298713881. The next prime is 298713901. The reversal of 298713897 is 798317892.

It can be written as a sum of positive squares in only one way, i.e., 237498921 + 61214976 = 15411^2 + 7824^2 .

It is not a de Polignac number, because 298713897 - 2⁴ = 298713881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (298713847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16595208 + ... + 16595225.

It is an arithmetic number, because the mean of its divisors is an integer number (71912607).

Almost surely, 2^298713897 is an apocalyptic number.

It is an amenable number.

298713897 is a deficient number, since it is larger than the sum of its proper divisors (132761745).

298713897 is a wasteful number, since it uses less digits than its factorization.

298713897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33190439 (or 33190436 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 298713897 is about 17283.3416039839. The cubic root of 298713897 is about 668.4749578840.

The spelling of 298713897 in words is "two hundred ninety-eight million, seven hundred thirteen thousand, eight hundred ninety-seven".