268587986 has 8 divisors (see below), whose sum is σ = 411454080. Its totient is φ = 131436628.

The previous prime is 268587983. The next prime is 268588003. The reversal of 268587986 is 689785862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (268587983) 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, 1428566 + ... + 1428753.

It is an arithmetic number, because the mean of its divisors is an integer number (51431760).

Almost surely, 2^268587986 is an apocalyptic number.

268587986 is a deficient number, since it is larger than the sum of its proper divisors (142866094).

268587986 is a wasteful number, since it uses less digits than its factorization.

268587986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857368.

The product of its digits is 11612160, while the sum is 59.

The square root of 268587986 is about 16388.6541851367. The cubic root of 268587986 is about 645.2017364677.

The spelling of 268587986 in words is "two hundred sixty-eight million, five hundred eighty-seven thousand, nine hundred eighty-six".