393241255 has 8 divisors (see below), whose sum is σ = 514788624. Its totient is φ = 285993600.

The previous prime is 393241253. The next prime is 393241307. The reversal of 393241255 is 552142393.

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

It is not a de Polignac number, because 393241255 - 2¹ = 393241253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 393241255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393241253) 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, 3574866 + ... + 3574975.

It is an arithmetic number, because the mean of its divisors is an integer number (64348578).

Almost surely, 2^393241255 is an apocalyptic number.

393241255 is a deficient number, since it is larger than the sum of its proper divisors (121547369).

393241255 is a wasteful number, since it uses less digits than its factorization.

393241255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149857.

The product of its digits is 32400, while the sum is 34.

The square root of 393241255 is about 19830.3115204981. The cubic root of 393241255 is about 732.6327994460.

The spelling of 393241255 in words is "three hundred ninety-three million, two hundred forty-one thousand, two hundred fifty-five".