268786039 has 4 divisors (see below), whose sum is σ = 269113456. Its totient is φ = 268458624.

The previous prime is 268786013. The next prime is 268786057. The reversal of 268786039 is 930687862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268786039 is a prime.

It is a super-2 number, since 2×268786039² = 144491869522619042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268785983 and 268786001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268786009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162474 + ... + 164119.

It is an arithmetic number, because the mean of its divisors is an integer number (67278364).

Almost surely, 2^268786039 is an apocalyptic number.

268786039 is a deficient number, since it is larger than the sum of its proper divisors (327417).

268786039 is an equidigital number, since it uses as much as digits as its factorization.

268786039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327416.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 268786039 is about 16394.6954531031. The cubic root of 268786039 is about 645.3602850629.

The spelling of 268786039 in words is "two hundred sixty-eight million, seven hundred eighty-six thousand, thirty-nine".