268489344 has 32 divisors (see below), whose sum is σ = 713175840. Its totient is φ = 89496320.

The previous prime is 268489297. The next prime is 268489391. The reversal of 268489344 is 443984862.

It is an interprime number because it is at equal distance from previous prime (268489297) and next prime (268489391).

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 268489293 and 268489302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349212 + ... + 349979.

It is an arithmetic number, because the mean of its divisors is an integer number (22286745).

Almost surely, 2^268489344 is an apocalyptic number.

268489344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

268489344 is an abundant number, since it is smaller than the sum of its proper divisors (444686496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268489344 is an equidigital number, since it uses as much as digits as its factorization.

268489344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699208 (or 699196 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 268489344 is about 16385.6444487240. The cubic root of 268489344 is about 645.1227408984.

The spelling of 268489344 in words is "two hundred sixty-eight million, four hundred eighty-nine thousand, three hundred forty-four".