298598403 has 4 divisors (see below), whose sum is σ = 398131208. Its totient is φ = 199065600.

The previous prime is 298598383. The next prime is 298598411. The reversal of 298598403 is 304895892.

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

It is not a de Polignac number, because 298598403 - 2⁵ = 298598371 is a prime.

It is a super-2 number, since 2×298598403² = 178322012548300818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298598303) 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, 49766398 + ... + 49766403.

It is an arithmetic number, because the mean of its divisors is an integer number (99532802).

Almost surely, 2^298598403 is an apocalyptic number.

298598403 is a deficient number, since it is larger than the sum of its proper divisors (99532805).

298598403 is an equidigital number, since it uses as much as digits as its factorization.

298598403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99532804.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 298598403 is about 17280.0000868056. Note that the first 4 decimals coincide. The cubic root of 298598403 is about 668.3887942787.

The spelling of 298598403 in words is "two hundred ninety-eight million, five hundred ninety-eight thousand, four hundred three".