268445321 has 8 divisors (see below), whose sum is σ = 270362400. Its totient is φ = 266535360.

The previous prime is 268445299. The next prime is 268445377. The reversal of 268445321 is 123544862.

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

It is a cyclic number.

It is not a de Polignac number, because 268445321 - 2²² = 264251017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268445381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89870 + ... + 92808.

It is an arithmetic number, because the mean of its divisors is an integer number (33795300).

Almost surely, 2^268445321 is an apocalyptic number.

It is an amenable number.

268445321 is a deficient number, since it is larger than the sum of its proper divisors (1917079).

268445321 is a wasteful number, since it uses less digits than its factorization.

268445321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559.

The product of its digits is 46080, while the sum is 35.

The square root of 268445321 is about 16384.3010531423. The cubic root of 268445321 is about 645.0874796718.

The spelling of 268445321 in words is "two hundred sixty-eight million, four hundred forty-five thousand, three hundred twenty-one".