268031393 has 8 divisors (see below), whose sum is σ = 306989760. Its totient is φ = 229240080.

The previous prime is 268031389. The next prime is 268031411. The reversal of 268031393 is 393130862.

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 268031393 - 2² = 268031389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268031303) 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, 38303 + ... + 44756.

It is an arithmetic number, because the mean of its divisors is an integer number (38373720).

Almost surely, 2^268031393 is an apocalyptic number.

It is an amenable number.

268031393 is a deficient number, since it is larger than the sum of its proper divisors (38958367).

268031393 is an equidigital number, since it uses as much as digits as its factorization.

268031393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83527.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 268031393 is about 16371.6643320097. The cubic root of 268031393 is about 644.7557459066.

The spelling of 268031393 in words is "two hundred sixty-eight million, thirty-one thousand, three hundred ninety-three".