298541287 has 4 divisors (see below), whose sum is σ = 325681416. Its totient is φ = 271401160.

The previous prime is 298541273. The next prime is 298541293. The reversal of 298541287 is 782145892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298541287 - 2¹⁵ = 298508519 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 (298541207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13570048 + ... + 13570069.

It is an arithmetic number, because the mean of its divisors is an integer number (81420354).

Almost surely, 2^298541287 is an apocalyptic number.

298541287 is a deficient number, since it is larger than the sum of its proper divisors (27140129).

298541287 is a wasteful number, since it uses less digits than its factorization.

298541287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27140128.

The product of its digits is 322560, while the sum is 46.

The square root of 298541287 is about 17278.3473457388. The cubic root of 298541287 is about 668.3461750189.

The spelling of 298541287 in words is "two hundred ninety-eight million, five hundred forty-one thousand, two hundred eighty-seven".