268743786 has 16 divisors (see below), whose sum is σ = 569104704. Its totient is φ = 84311744.

The previous prime is 268743763. The next prime is 268743817. The reversal of 268743786 is 687347862.

It is a super-2 number, since 2×268743786² = 144446445027227592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317270 + ... + 1317473.

It is an arithmetic number, because the mean of its divisors is an integer number (35569044).

Almost surely, 2^268743786 is an apocalyptic number.

268743786 is an abundant number, since it is smaller than the sum of its proper divisors (300360918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268743786 is a wasteful number, since it uses less digits than its factorization.

268743786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634765.

The product of its digits is 2709504, while the sum is 51.

The square root of 268743786 is about 16393.4067844362. The cubic root of 268743786 is about 645.3264665442.

The spelling of 268743786 in words is "two hundred sixty-eight million, seven hundred forty-three thousand, seven hundred eighty-six".