268087 has 4 divisors (see below), whose sum is σ = 269496. Its totient is φ = 266680.

The previous prime is 268069. The next prime is 268091. The reversal of 268087 is 780862.

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

It is a cyclic number.

It is not a de Polignac number, because 268087 - 2⁷ = 267959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268487) 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, 364 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (67374).

2²⁶⁸⁰⁸⁷ is an apocalyptic number.

268087 is a deficient number, since it is larger than the sum of its proper divisors (1409).

268087 is a wasteful number, since it uses less digits than its factorization.

268087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408.

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

The square root of 268087 is about 517.7711849843. The cubic root of 268087 is about 64.4800330800.

The spelling of 268087 in words is "two hundred sixty-eight thousand, eighty-seven".