268870 has 32 divisors (see below), whose sum is σ = 580608. Its totient is φ = 87648.

The previous prime is 268861. The next prime is 268883. The reversal of 268870 is 78862.

It is a congruent number.

It is an unprimeable number.

268870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (18144).

2²⁶⁸⁸⁷⁰ is an apocalyptic number.

268870 is an abundant number, since it is smaller than the sum of its proper divisors (311738).

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

268870 is a wasteful number, since it uses less digits than its factorization.

268870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 268870 is about 518.5267591938. The cubic root of 268870 is about 64.5427475376.

The spelling of 268870 in words is "two hundred sixty-eight thousand, eight hundred seventy".