868208 has 20 divisors (see below), whose sum is σ = 1835448. Its totient is φ = 394560.

The previous prime is 868199. The next prime is 868211. The reversal of 868208 is 802868.

It is a super-3 number, since 3×868208³ = 1963326843733364736, which contains 333 as substring.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

868208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291 + ... + 2642.

2⁸⁶⁸²⁰⁸ is an apocalyptic number.

868208 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

868208 is an abundant number, since it is smaller than the sum of its proper divisors (967240).

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

868208 is a wasteful number, since it uses less digits than its factorization.

868208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952 (or 4946 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 868208 is about 931.7767973072. The cubic root of 868208 is about 95.3984373897.

The spelling of 868208 in words is "eight hundred sixty-eight thousand, two hundred eight".