268804215 has 48 divisors (see below), whose sum is σ = 478033920. Its totient is φ = 139688640.

The previous prime is 268804213. The next prime is 268804259. The reversal of 268804215 is 512408862.

It is not a de Polignac number, because 268804215 - 2¹ = 268804213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268804215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268804213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294610 + ... + 295520.

It is an arithmetic number, because the mean of its divisors is an integer number (9959040).

Almost surely, 2^268804215 is an apocalyptic number.

268804215 is a deficient number, since it is larger than the sum of its proper divisors (209229705).

268804215 is a wasteful number, since it uses less digits than its factorization.

268804215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 268804215 is about 16395.2497693692. The cubic root of 268804215 is about 645.3748317065.

The spelling of 268804215 in words is "two hundred sixty-eight million, eight hundred four thousand, two hundred fifteen".