268439498 has 24 divisors (see below), whose sum is σ = 417584160. Its totient is φ = 129359720.

The previous prime is 268439491. The next prime is 268439579. The reversal of 268439498 is 894934862.

It is not an unprimeable number, because it can be changed into a prime (268439491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499573 + ... + 1499751.

It is an arithmetic number, because the mean of its divisors is an integer number (17399340).

Almost surely, 2^268439498 is an apocalyptic number.

268439498 is a deficient number, since it is larger than the sum of its proper divisors (149144662).

268439498 is an equidigital number, since it uses as much as digits as its factorization.

268439498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 311 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 53.

The square root of 268439498 is about 16384.1233515864. The cubic root of 268439498 is about 645.0828153184.

The spelling of 268439498 in words is "two hundred sixty-eight million, four hundred thirty-nine thousand, four hundred ninety-eight".