298004387 has 4 divisors (see below), whose sum is σ = 299112480. Its totient is φ = 296896296.

The previous prime is 298004381. The next prime is 298004411. The reversal of 298004387 is 783400892.

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 298004387 - 2¹⁴ = 297988003 is a prime.

It is a super-2 number, since 2×298004387² = 177613229342491538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298004381) 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, 553643 + ... + 554180.

It is an arithmetic number, because the mean of its divisors is an integer number (74778120).

Almost surely, 2^298004387 is an apocalyptic number.

298004387 is a deficient number, since it is larger than the sum of its proper divisors (1108093).

298004387 is a wasteful number, since it uses less digits than its factorization.

298004387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108092.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 298004387 is about 17262.8035672077. The cubic root of 298004387 is about 667.9452808454.

The spelling of 298004387 in words is "two hundred ninety-eight million, four thousand, three hundred eighty-seven".