268530 has 16 divisors (see below), whose sum is σ = 644544. Its totient is φ = 71600.

The previous prime is 268529. The next prime is 268531. The reversal of 268530 is 35862.

It is an interprime number because it is at equal distance from previous prime (268529) and next prime (268531).

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 268530.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446 + ... + 4505.

It is an arithmetic number, because the mean of its divisors is an integer number (40284).

2²⁶⁸⁵³⁰ is an apocalyptic number.

268530 is an abundant number, since it is smaller than the sum of its proper divisors (376014).

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

268530 is a wasteful number, since it uses less digits than its factorization.

268530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 268530 is about 518.1988035494. The cubic root of 268530 is about 64.5155301826.

The spelling of 268530 in words is "two hundred sixty-eight thousand, five hundred thirty".