298987 has 8 divisors (see below), whose sum is σ = 326480. Its totient is φ = 272160.

The previous prime is 298943. The next prime is 298993. The reversal of 298987 is 789892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298987 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298987.

It is not an unprimeable number, because it can be changed into a prime (298937) 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, 1312 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (40810).

2²⁹⁸⁹⁸⁷ is an apocalyptic number.

298987 is a deficient number, since it is larger than the sum of its proper divisors (27493).

298987 is a wasteful number, since it uses less digits than its factorization.

298987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 72576, while the sum is 43.

The square root of 298987 is about 546.7970372999. The cubic root of 298987 is about 66.8678616424.

It can be divided in two parts, 2 and 98987, that added together give a palindrome (98989).

The spelling of 298987 in words is "two hundred ninety-eight thousand, nine hundred eighty-seven".