268799984 has 20 divisors (see below), whose sum is σ = 523042416. Its totient is φ = 133821312.

The previous prime is 268799981. The next prime is 268799987. The reversal of 268799984 is 489997862.

It is an interprime number because it is at equal distance from previous prime (268799981) and next prime (268799987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268799981) 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, 32324 + ... + 39779.

Almost surely, 2^268799984 is an apocalyptic number.

It is an amenable number.

268799984 is a deficient number, since it is larger than the sum of its proper divisors (254242432).

268799984 is a wasteful number, since it uses less digits than its factorization.

268799984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72344 (or 72338 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The square root of 268799984 is about 16395.1207375853. The cubic root of 268799984 is about 645.3714456048.

It can be divided in two parts, 26879 and 9984, that added together give a palindrome (36863).

The spelling of 268799984 in words is "two hundred sixty-eight million, seven hundred ninety-nine thousand, nine hundred eighty-four".