268923939 has 4 divisors (see below), whose sum is σ = 358565256. Its totient is φ = 179282624.

The previous prime is 268923917. The next prime is 268923953. The reversal of 268923939 is 939329862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268923939 - 2⁹ = 268923427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268923891 and 268923900.

It is not an unprimeable number, because it can be changed into a prime (268923139) 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 3 ways as a sum of consecutive naturals, for example, 44820654 + ... + 44820659.

It is an arithmetic number, because the mean of its divisors is an integer number (89641314).

Almost surely, 2^268923939 is an apocalyptic number.

268923939 is a deficient number, since it is larger than the sum of its proper divisors (89641317).

268923939 is an equidigital number, since it uses as much as digits as its factorization.

268923939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89641316.

The product of its digits is 1259712, while the sum is 51.

The square root of 268923939 is about 16398.9005424144. The cubic root of 268923939 is about 645.4706330165.

The spelling of 268923939 in words is "two hundred sixty-eight million, nine hundred twenty-three thousand, nine hundred thirty-nine".