298868749 has 8 divisors (see below), whose sum is σ = 308800512. Its totient is φ = 289096080.

The previous prime is 298868743. The next prime is 298868821. The reversal of 298868749 is 947868892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 298868749 - 2⁹ = 298868237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298868743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35949 + ... + 43474.

It is an arithmetic number, because the mean of its divisors is an integer number (38600064).

Almost surely, 2^298868749 is an apocalyptic number.

It is an amenable number.

298868749 is a deficient number, since it is larger than the sum of its proper divisors (9931763).

298868749 is an equidigital number, since it uses as much as digits as its factorization.

298868749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79547.

The product of its digits is 13934592, while the sum is 61.

The square root of 298868749 is about 17287.8208285486. The cubic root of 298868749 is about 668.5904494443.

The spelling of 298868749 in words is "two hundred ninety-eight million, eight hundred sixty-eight thousand, seven hundred forty-nine".