298493563 has 8 divisors (see below), whose sum is σ = 311908608. Its totient is φ = 285114984.

The previous prime is 298493551. The next prime is 298493579. The reversal of 298493563 is 365394892.

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-298493563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298493543) 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, 8356 + ... + 25822.

It is an arithmetic number, because the mean of its divisors is an integer number (38988576).

Almost surely, 2^298493563 is an apocalyptic number.

298493563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

298493563 is a deficient number, since it is larger than the sum of its proper divisors (13415045).

298493563 is a wasteful number, since it uses less digits than its factorization.

298493563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233.

The product of its digits is 1399680, while the sum is 49.

The square root of 298493563 is about 17276.9662556827. The cubic root of 298493563 is about 668.3105597857.

The spelling of 298493563 in words is "two hundred ninety-eight million, four hundred ninety-three thousand, five hundred sixty-three".