268724 has 6 divisors (see below), whose sum is σ = 470274. Its totient is φ = 134360.

The previous prime is 268721. The next prime is 268729. The reversal of 268724 is 427862.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 400 = 518^2 + 20^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33587 + ... + 33594.

It is an arithmetic number, because the mean of its divisors is an integer number (78379).

2²⁶⁸⁷²⁴ is an apocalyptic number.

It is an amenable number.

268724 is a deficient number, since it is larger than the sum of its proper divisors (201550).

268724 is a wasteful number, since it uses less digits than its factorization.

268724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67185 (or 67183 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 268724 is about 518.3859565999. The cubic root of 268724 is about 64.5310628978.

The spelling of 268724 in words is "two hundred sixty-eight thousand, seven hundred twenty-four".