406868 has 24 divisors (see below), whose sum is σ = 888384. Its totient is φ = 158400.

The previous prime is 406859. The next prime is 406873. The reversal of 406868 is 868604.

It is a congruent number.

It is an unprimeable number.

406868 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 7 ways as a sum of consecutive naturals, for example, 353 + ... + 968.

It is an arithmetic number, because the mean of its divisors is an integer number (37016).

2⁴⁰⁶⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

406868 is an abundant number, since it is smaller than the sum of its proper divisors (481516).

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

406868 is a wasteful number, since it uses less digits than its factorization.

406868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 406868 is about 637.8620540524. The cubic root of 406868 is about 74.0999380176.

The spelling of 406868 in words is "four hundred six thousand, eight hundred sixty-eight".