268305929 has 4 divisors (see below), whose sum is σ = 269654400. Its totient is φ = 266957460.

The previous prime is 268305901. The next prime is 268305931. The reversal of 268305929 is 929503862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268305929 - 2⁸ = 268305673 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 268305929.

It is not an unprimeable number, because it can be changed into a prime (268305949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673937 + ... + 674334.

It is an arithmetic number, because the mean of its divisors is an integer number (67413600).

Almost surely, 2^268305929 is an apocalyptic number.

It is an amenable number.

268305929 is a deficient number, since it is larger than the sum of its proper divisors (1348471).

268305929 is a wasteful number, since it uses less digits than its factorization.

268305929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348470.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 268305929 is about 16380.0466727052. The cubic root of 268305929 is about 644.9758050336.

The spelling of 268305929 in words is "two hundred sixty-eight million, three hundred five thousand, nine hundred twenty-nine".