268059921 has 8 divisors (see below), whose sum is σ = 358733184. Its totient is φ = 178046640.

The previous prime is 268059889. The next prime is 268059937. The reversal of 268059921 is 129950862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268059921 - 2⁵ = 268059889 is a prime.

It is a super-2 number, since 2×268059921² = 143712242493052482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (268059221) 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, 164046 + ... + 165671.

It is an arithmetic number, because the mean of its divisors is an integer number (44841648).

Almost surely, 2^268059921 is an apocalyptic number.

It is an amenable number.

268059921 is a deficient number, since it is larger than the sum of its proper divisors (90673263).

268059921 is a wasteful number, since it uses less digits than its factorization.

268059921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329991.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 268059921 is about 16372.5355702774. The cubic root of 268059921 is about 644.7786200174.

The spelling of 268059921 in words is "two hundred sixty-eight million, fifty-nine thousand, nine hundred twenty-one".